David Grossman

Editorial byline

David Grossman is an editorial byline for Science and Discovery, with a focus on Earth & Environment, Life & Biology. Biographical credentials and external profiles are published only after verification.

Learn more about our editorial process and use of automation in our AI & Automation disclosure.

Coverage Areas

Earth & Environment
Life & Biology

Latest Articles

Editorial illustration for CRISPR's Expanding Role: Beyond Gene Editing in Diagnostics and Epigenetic Control
Life & Biology

CRISPR's Expanding Role: Beyond Gene Editing in Diagnostics and Epigenetic Control

CRISPR technology has evolved significantly beyond gene editing, now offering powerful applications in rapid disease diagnostics and precise epigenetic control of gene expression without altering DNA sequences. Its versatility continues to expand into areas like RNA editing and live-cell imaging, promising broad biotechnological advancements.

Oct 1, 2026 · 5 min read

Editorial illustration for Comparing Satellite Methods for Monitoring Glacial Ice Loss
Earth & Environment

Comparing Satellite Methods for Monitoring Glacial Ice Loss

Satellite remote sensing is crucial for understanding glacial ice loss and its impact on sea levels, with different methodologies offering distinct capabilities. This article compares optical imagery, SAR, and satellite altimetry, emphasizing how combining these techniques provides a more comprehensive and accurate approach to monitoring glacial changes.

Sep 30, 2026 · 5 min read

An artist's impression of a supermassive black hole at the center of an early galaxy, actively influencing its formation and structure.
Cosmos & Space

How Do Supermassive Black Holes Shape Galaxy Evolution?

In one of the earliest observed galaxies, the central black hole makes up at least two-thirds of its total mass—a proportion thousands of times greater than in nearby galaxies today.

Sep 16, 2026 · 4 min read

Visual representation of the Earth's carbon cycle, illustrating the balance between natural carbon absorption and human-induced emissions impacting atmospheric CO2 levels.
Explainers

How Does the Carbon Cycle Regulate Climate?

In 2024, the global average atmospheric carbon dioxide reached a new record high of 422.

Sep 14, 2026 · 4 min read

Vast arctic glacier breaking off into the ocean, illustrating the accelerating melt and its impact on sea levels.
Earth & Environment

Arctic glacier melt accelerates, driving sea level rise

Between 2000 and 2019, the annual rate of glacier thinning nearly doubled from 36cm to 69cm.

Sep 12, 2026 · 3 min read

A desolate, polluted landscape under a stormy sky, symbolizing the combined threats of climate change and pervasive microplastic contamination.
Earth & Environment

Climate Change Amplifies Microplastic Threats. Most Aren't Ready.

Scientists estimate adults ingest the equivalent of one credit card per week in microplastics, a stark reminder of their pervasive presence throughout our bodies and environment.

Sep 7, 2026 · 2 min read

An ancient, fur-covered cat predator resembling a puma walks across a snowy Yukon landscape during prehistoric times.
Life & Biology

Ancient DNA Reveals Arctic Cat Species Is Puma Relative

In the frozen Yukon 30,000 years ago, a creature once thought to be an 'American cheetah' roamed the icy landscape.

Sep 5, 2026 · 3 min read

An Asgard archaeon using nanotubes to connect with and exchange substances with a bacterium, illustrating the origins of complex life.
Life & Biology

New research shows ancient microbes' role in complex life

For the first time, scientists have visually captured an ancient Asgard archaeon physically interacting with a bacterium through delicate nanotubes.

Sep 4, 2026 · 3 min read

The LZ experiment, a sophisticated dark matter detector located deep underground, glows with a faint light, symbolizing the search for elusive cosmic particles.
Physics & Quantum

LZ Experiment Detects Unexplained Signal, Hinting at Dark Matter

In a subterranean lab deep beneath the Black Hills of South Dakota, the LUX-ZEPLIN (LZ) experiment recorded a single particle interaction that released 248 kiloelectronvolts of energy.

Sep 2, 2026 · 4 min read

The NASA Roman Space Telescope orbits Earth, capturing stunning images of distant galaxies and nebulae in the vast expanse of the universe.
Cosmos & Space

NASA Roman Space Telescope Explores Universe

NASA's Roman Space Telescope, now successfully launched, is poised to send back 1.

Aug 31, 2026 · 2 min read

A devastating glacial lake outburst flood in Nepal, with a massive surge of water and debris inundating a valley and threatening a village.
Earth & Environment

Nepal's Glacial Lake Outburst Flood Risk Surges Amidst Climate Change

Water levels in rivers downstream of a recent glacial collapse in Nepal surged by seven to nine meters within just 30 minutes.

Aug 30, 2026 · 4 min read

Vast, turbulent ocean currents surge under a stormy, red-tinged sky, symbolizing the amplified power of an intense El Niño event.
Earth & Environment

El Niño's Intensity Surges: What 40 Years of Data Reveal About Climate Futures

Air and sea surface temperatures are already breaking records globally, signaling that the current El Niño event in 2026 is on track to be the strongest in recorded history ( The New York Times ).

Aug 29, 2026 · 4 min read

A vast desert landscape with towering sand dunes, overlaid with a subtle global map, symbolizing the discovery of Earth's climate secrets.
Earth & Environment

New Sand Dunes Map Reveals Earth's Climate Secrets

For decades, scientists believed Earth's vast desert dunes were largely static.

Aug 20, 2026 · 3 min read

The James Webb Space Telescope captures an exceptionally bright and energetic supermassive black hole in the early universe, challenging current cosmological models.
Cosmos & Space

JWST Spots Bright New Black Hole in Early Universe

Just 660 million years after the Big Bang, a newly discovered object, MoM-BH*-1, is producing roughly 100 billion times more energy than any known star could physically generate, according to ScienceD

Aug 15, 2026 · 4 min read

A split image showing a lush, diverse ecosystem on one side and a barren, industrialized landscape on the other, symbolizing the accelerating impact of human activity on Earth's sixth mass extinction.
Earth & Environment

Human impact on Earth's sixth mass extinction accelerating.

More than 48,600 species face extinction, a number that keeps climbing, according to Tandfonline .

Aug 13, 2026 · 3 min read

The James Webb Space Telescope reveals the 'Treasure Chest' star cluster in the Carina Nebula, showcasing approximately 70 young stars amidst swirling cosmic gas and dust.
Cosmos & Space

James Webb Telescope Reveals 'Treasure Chest' with 70 Young Stars

The 'Treasure Chest' star cluster in the Carina Nebula, once thought to be a mere 100,000 years old, has been dramatically re-aged by the James Webb Space Telescope to a surprising 1.

Aug 11, 2026 · 3 min read

Visualization of a 'glueball' particle, a swirling vortex of energy representing the strong nuclear force, discovered by physicists at China's BESIII experiment.
Physics & Quantum

Physicists confirm elusive glueball particle after decade-long hunt

After more than a decade of searching, scientists at China's BESIII experiment have confirmed the existence of a 'glueball,' a particle made entirely of the strong force's carriers.

Aug 8, 2026 · 3 min read

Abuja cityscape with buildings subtly shaking from a tremor, government officials urgently reviewing seismic data on a tablet, conveying a sense of immediate concern and response.
Earth & Environment

Abuja tremors: Hourly updates ordered as officials grapple with seismic oversight

At 11:23:27 a.m. on Tuesday, an earth tremor originating from a depth of one kilometer shook several buildings in Abuja. The Minister of Solid Minerals Development immediately demanded hourly updates.

Aug 7, 2026 · 3 min read

The James Webb Space Telescope observes a powerful supernova explosion in the distant, early universe, marking a significant discovery about cosmic history.
Cosmos & Space

James Webb Telescope spots supernova from universe's dawn

The universe was just 730 million years old when a massive star exploded, a cosmic event now confirmed by the James Webb Space Telescope.

Aug 2, 2026 · 3 min read

The James Webb Space Telescope reveals over 300 mysterious 'Little Red Dots' in the early universe, potentially active supermassive black holes, just a billion years after the Big Bang.
Cosmos & Space

James Webb spots mysterious Little Red Dots in the early universe

Over 300 mysterious 'Little Red Dots' (LRDs) have been spotted by the James Webb Space Telescope (JWST), appearing just a billion years after the Big Bang.

Jul 31, 2026 · 4 min read