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Astronomy Apr 6, 2024

Huge star explosion to appear in sky in once-in-a-lifetime event

Sometime between now and September, a massive explosion 3,000 light years from Earth will flare up in the night sky, giving amateur astronomers a once-in-a-lifetime chance to witness this space oddity.

Earth Sciences Mar 5, 2024

After decades of Arctic sea ice getting faster, models suggest a dramatic reversal is coming

Will ice floating in the Arctic Ocean move faster or slower over the coming decades? The answer to this question will tell us whether marine transportation can be expected to get more or less hazardous. It might also have ...

Astrobiology Feb 14, 2024

Saturn's largest moon most likely uninhabitable

A study led by Western astrobiologist Catherine Neish shows the subsurface ocean of Titan—the largest moon of Saturn—is most likely a non-habitable environment, meaning any hope of finding life in the icy world is dead ...

Social Sciences Apr 16, 2024

Persistent questioning of knowledge takes a toll: New study supports theories that baseless discrediting harms

It can be demoralizing for a person to work in a climate of repetitive skepticism and doubt about what they know, a new study shows.

Paleontology & Fossils Mar 8, 2024

Titanosaurs were the biggest land animals Earth's ever seen, combining reptile and mammal traits

You're probably familiar with classic sauropod dinosaurs—the four-legged herbivores famous for their long necks and tails. Animals such as Brachiosaurus, Apatosaurus and Diplodocus have been standard fixtures in science ...

Planetary Sciences Mar 4, 2024

James Webb Space Telescope captures the end of planet formation

The James Webb Space Telescope (JWST) is helping scientists uncover how planets form by advancing understanding of their birthplaces and the circumstellar disks surrounding young stars.

Planetary Sciences Apr 17, 2024

James Webb Space Telescope data pinpoint possible aurorae on a cold brown dwarf

Using new observations from the James Webb Space Telescope (JWST), astronomers have discovered methane emission on a brown dwarf, an unexpected finding for such a cold and isolated world. Published in the journal Nature, ...

Astrobiology Mar 22, 2024

Signs of life detectable in single ice grain emitted from extraterrestrial moons, experimental setup shows

The ice-encrusted oceans of some of the moons orbiting Saturn and Jupiter are leading candidates in the search for extraterrestrial life. A new lab-based study led by the University of Washington in Seattle and the Freie ...

Astronomy Apr 24, 2024

NASA's Chandra releases timelapse movies of Crab Nebula and Cassiopeia A

New movies of two of the most famous objects in the sky—the Crab Nebula and Cassiopeia A—are being released from NASA's Chandra X-ray Observatory. Each includes X-ray data collected by Chandra over about two decades. ...

Space Exploration Mar 18, 2024

As Voyager 1's mission draws to a close, one planetary scientist reflects on its legacy

For nearly 50 years, NASA's Voyager 1 mission has competed for the title of deep space's little engine that could. Launched in 1977 along with its twin, Voyager 2, the spacecraft is now soaring more than 15 billion miles ...

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