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Science

The latest science news, photos and videos covering space, the environment, human development and more.

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1d ago

'Live fast, die young': An endangered marsupial may be mating itself to death

The male northern quoll can walk more than 6 miles in a single night in the search of a mate, leading to exhaustion that can prove fatal, according to a new study.
Northern Quoll - The Kimberley, Western Australia
Northern Quoll - The Kimberley, Western Australia

U.S. takes aim at global shark fin trade

The National Oceanic and Atmospheric Administration, or NOAA, is currently reviewing the funding and implementation of a long-awaited ban on the trafficking of shark fins through U.S. ports, a move that could disrupt their broader global trade.
A shark finning camp on a beach of the Sea of Cortez, Mexico.
A shark finning camp on a beach of the Sea of Cortez, Mexico.
2d ago

A 'green' comet will pass by Earth for the first time in 50,000 years. Here's where and when to see it.

Skywatchers in the Northern Hemisphere will have a chance to see the comet in the predawn hours as it approaches the planet.
Comet C/2022 E3 (ZTF)'s brighter greenish coma, short broad dust tail and long faint ion tail on Dec. 25.
Comet C/2022 E3 (ZTF)'s brighter greenish coma, short broad dust tail and long faint ion tail on Dec. 25.

EPA blocks mine project that threatened crucial Alaskan salmon runs

It’s a decision the agency says will preserve the thriving ecosystem and safeguard Alaska’s sockeye salmon fishery, which produces about half of the world’s harvest of the species.
Anglers fish for sockeye salmon along the rapids of the Newwhalen River near Iliamna, Alaska.
Anglers fish for sockeye salmon along the rapids of the Newwhalen River near Iliamna, Alaska.

Bring back the dodo bird? Ambitious plan draws investors and critics

Colossal Biosciences, which announced its ambitious plan to revive the woolly mammoth two years ago, said Tuesday it wants to bring back the dodo bird, too.
A rare fragment of a Dodo femur bone on display at a Christie's auction house in London on March 27, 2013.
A rare fragment of a Dodo femur bone on display at a Christie's auction house in London on March 27, 2013.

Dolphins and humans can team up to go fishing. Scientists now understand why.

In the seaside city of Laguna, scientists have used drones, underwater sound recordings and other tools to document how local people and dolphins coordinate actions and benefit from each other’s labor.
A dolphin surfaces in Laguna, Brazil, in 2013.
A dolphin surfaces in Laguna, Brazil, in 2013.
3d ago

Amid high levels of contamination, Puerto Rico town's residents plead for action

For years, toxic ash and noxious chemicals have enveloped Salinas, and the EPA recently announced it had found extremely high concentrations of a carcinogenic gas.
Salinas, Puerto Rico
Salinas, Puerto Rico
6d ago

Fossilized eggs reveal new secrets about one of the world's largest dinosaurs

The find “offers new insights into the conditions of nest preservation and reproductive strategies of titanosaur sauropod dinosaurs,” said Harsha Dhiman, the study’s lead author.
A) Completely unhatched egg from the clutch P43. (B) Almost fully intact circular outline of egg possibly indicating it to be unhatched and no loose eggshells are found in the clutch P6. (C) Compressed egg from clutch DR10 showing hatching window (arrow showing gap) and few eggshells collected just around the hatching window (circled) which possibly represent the remnants of hatching window. (D) Egg from clutch P26 showing curved outline. (E) Deformed egg from clutch P30 showing egg surfaces slipping past each other.
A) Completely unhatched egg from the clutch P43. (B) Almost fully intact circular outline of egg possibly indicating it to be unhatched and no loose eggshells are found in the clutch P6. (C) Compressed egg from clutch DR10 showing hatching window (arrow showing gap) and few eggshells collected just around the hatching window (circled) which possibly represent the remnants of hatching window. (D) Egg from clutch P26 showing curved outline. (E) Deformed egg from clutch P30 showing egg surfaces slipping past each other.
7d ago

Asteroid coming exceedingly close to Earth but will miss

Even if the space rock came a lot closer, scientists said, most of it would burn up in the atmosphere, with some of the bigger pieces possibly falling as meteorites.
NASA's estimated trajectory of asteroid 2023 BU, in red, and the orbit of geosynchronous satellites, in green.
NASA's estimated trajectory of asteroid 2023 BU, in red, and the orbit of geosynchronous satellites, in green.

Tornado Alley is creeping into new territory

In recent years, researchers have noticed that fewer tornadoes were touching down in the Great Plains and that more were hitting the Southeast.
Ayala and his brother were also looking for their missing dog. His mother Norma Ayala, 72, and her disabled son live in the home that was destroyed during the storm.
Ayala and his brother were also looking for their missing dog. His mother Norma Ayala, 72, and her disabled son live in the home that was destroyed during the storm.
9d ago

SpaceX completes Starship test in prep for rocket’s first orbital launch attempt

Starship is a nearly 400-foot-tall rocket designed to carry cargo and people beyond Earth.
The SpaceX Starship Full Wet Dress on Jan. 23, 2023 in Texas.
The SpaceX Starship Full Wet Dress on Jan. 23, 2023 in Texas.