Will Sullivan

Will Sullivan

 

Will Sullivan is a science writer based in Washington, D.C. His work has appeared in Inside Science and NOVA Next.

An artist's rendition of the detection of the cosmic ray by the Telescope Array experiment. When high-energy cosmic rays reach Earth's atmosphere, they collide with and break apart atomic nuclei, creating a shower of particles that is picked up by detectors on the ground.

Scientists Mystified by Rare, High-Energy Cosmic Ray, the Most Powerful Since 1991

Researchers have been unable to locate an obvious source for the particle—it seems to have traveled from an empty spot in space

An iceberg breaks off the Knox Coast in the Australian Antarctic Territory in 2008. The moving iceberg scientists are now tracking broke off from Antarctica in 1986.

The World's Largest Iceberg Is Drifting Three Miles Into the Ocean Each Day

The iceberg, which naturally broke off Antarctica in 1986, had remained grounded for decades before moving again in recent years

A new musical piece is based on this composite image of the center of the Milky Way. The bright spot on the right is hot gas in infrared light, marking the approximate location of the galaxy's supermassive black hole.

Listen to the Center of the Milky Way Translated Into Sound

A new musical composition represents data from three NASA telescopes as a piece that was performed by an orchestral ensemble

An oil platform in the Gulf of Mexico. Officials spotted an oil slick three to four miles wide off the coast of Louisiana last Thursday.

Oil Spill Dumps as Much as 1.1 Million Gallons Into Gulf of Mexico, Raising Concerns About Wildlife

The U.S. Coast Guard is still searching for the specific source of the leak, which occurred last week

Experts recommend that dog owners make sure their pets are up to date on their vaccines and reducing their contact with large numbers of other dogs. 

Hundreds of Dogs Across the U.S. Are Falling Ill With Unknown Respiratory Illness

Researchers are not sure whether a virus or bacteria is causing the pets' ailments

The Starship rocket on April 17, 2023, ahead of its first test flight. During the uncrewed flight, the booster failed to detach from the spaceraft and the rocket was intentionally exploded.

What to Know Ahead of SpaceX's Second Starship Test Flight on Saturday

Atop the most powerful rocket ever built, the spacecraft is intended to carry astronauts from lunar orbit to the moon's surface and Mars in the future

A candlelit vigil on January 13, 2022, in Washington, D.C., for nurses who died during the Covid-19 pandemic. A new study finds that Covid-19 was the leading reason for a growing gap in life expectancy between U.S. men and women from 2019 to 2021.

Women Now Live Nearly Six Years Longer Than Men in the United States

Disparities from Covid-19 and opioid overdose deaths are major contributors to the widening gap, according to a new study

The first color photo of the Martian surface, taken in 1976 by the Viking 1 probe. To survive on Mars' surface, astronauts will need oxygen, which only exists in trace amounts in the Martian atmosphere.

A Robotic 'A.I. Chemist' Could Make Oxygen on Mars

In a lab on Earth, the machine created a catalyst from Martian materials that can extract oxygen from water, for astronauts to breathe or use as fuel

The small fishing village of Grindavík, which officials evacuated late last week as a precaution in advance of a likely volcanic eruption in the area.

Iceland Braces for a Likely Volcanic Eruption as Earthquakes Increase

The country's Reykjanes Peninsula has been experiencing swarms of seismic activity for weeks, as magma accumulates beneath the surface

The number of African elephants, which are endangered, has been declining in recent years due to factors including habitat loss and poaching. A new study identifies a bacterium that could also continue to pose a threat to the elephants.

Bacteria to Blame for Elephant Deaths in Zimbabwe

Researchers are just now uncovering what may have killed 35 of the animals three years ago

The galaxy cluster Abell 2744, which lies in front of the galaxy containing the newly discovered black hole

Astronomers Spot the Oldest Black Hole Ever Seen, Shedding Light on the Early Universe

Dating to just 470 million years after the Big Bang, the ancient cosmic structure could help researchers understand how the first black holes formed

Euclid's image of the Perseus Cluster, a group of galaxies 240 million light-years from Earth. The view includes about 1,000 galaxies in the cluster, with more than 100,000 additional ones in the background.

See the First Dazzling Images From the Euclid Space Telescope

The European Space Agency's observatory will map one-third of the sky over six years in a mission to understand the universe's dark matter and dark energy

Magnets can levitate over superconductors, which expel a magnetic field.

Paper That Claimed a Room-Temperature Superconductor Breakthrough Is Retracted by the Journal 'Nature'

The discovery, which would have revolutionized energy, was surrounded in controversy from the start

The asteroid sample that is now on display at the National Museum of Natural History. By studying the retrieved space rocks, scientists aim to better understand how water and organic material first arrived on Earth.

How to See NASA's Bennu Asteroid Sample in Person

A tiny piece of the space rock made its public debut at the Smithsonian National Museum of Natural History, as scientists study the rest of the sample

The pair of asteroids, captured by NASA's Lucy spacecraft on November 1, 2023, from around 270 miles away.

NASA Finds a Surprise Second Asteroid During a Flyby Mission

While testing its tracking system, the agency's Lucy spacecraft discovered that Dinkinesh is not one space rock, but two

The Beatles perform at the Circus Krone Building in Munich on June 24, 1966. The newly released song features contributions from all four band members.

The Beatles Release Their Last Song, ‘Now and Then,’ Featuring A.I.-Extracted Vocals From John Lennon

Based on a demo recorded by Lennon in the 1970s, the song is the "closest we'll ever come to having him back in the room"

An artist's rendition of the collision between Earth and the protoplanet Theia, which, according to the prevailing theory, resulted in the moon's formation.

Mysterious Lumps in Earth's Mantle May Be Remains of the Crash That Formed the Moon

Chunks of a protoplanet called Theia became lodged within Earth after the two worlds smashed together, new computer simulations suggest

A blood smear of a patient with sickle cell. The crescent-shaped sickle cells can be seen in the smear.

Gene-Editing Treatment for Sickle Cell Disease Moves Closer to Approval

FDA advisors said the benefits seem to outweigh any possible risks, and the agency will decide whether to approve it by December 8

The four telescopes of the Very Large Telescope in Chile. Researchers used them to search for the source of the fast radio burst.

Astronomers Find Powerful 'Fast Radio Burst' That Traveled for Eight Billion Years

The strong blast of radio waves is the oldest known, and it could tell scientists more about the mysterious matter that lies between galaxies

An image of Pluto taken by the New Horizons spacecraft in 2015

A Supervolcano on Pluto May Have Spewed Ice Just a Few Million Years Ago

An unusual crater on the dwarf planet hints at past volcanic activity—and a possible vast ocean beneath its surface, scientists say

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