Skygazers, mark your calendars because one of the coolest celestial events is coming around again toward the end of February.

Researchers estimate that the planet has about a 50% chance of being in its star's Hoble zone.

Rachel Feltman: Happy Monday, listeners! For Scientific American’s Science Quickly, I’m Rachel Feltman. Let’s kick off the week with a quick roundup of some of the latest news. First, let’s talk about ...

In some of its most ambitious work yet, the James Webb Space Telescope looked to spot a planet in a potentially habitable orbit around Alpha Centauri A, the nearest sunlike star to our solar system ...

In a first, researchers have discovered fragments of Earth's precursor that contain distinctive chemical fingerprints in ancient rocks from Greenland, Canada and Hawaii. When you purchase through ...

The cosmos has long been a canvas for creatives who imagine a future where people live among the stars. Now, humanity stands at a pivotal juncture as the laborious, expensive and high-stakes process ...

Scientists have discovered a rogue planet roaming the Milky Way after combining observations from Earth and a space telescope. This rare dual perspective allowed them to weigh the planet and pinpoint ...

In “Citizen Science in Astronomy (Part 7),” SETI Institute astronomers Dr. Franck Marchis and Dr. Lauren Sgro highlight two rare and compelling discoveries and the crucial role of citizen scientists ...

Astronomers have discovered a giant Saturn-sized planet orbiting TOI-6894, the smallest star ever known to host such a world. The finding overturns long-held theories suggesting that tiny, low-mass ...

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Koalas with the bodies of lions. Elephants the size of your dog. Gigantic, 8-foot-tall sloths. These aren’t creatures found in science fiction: They walked our planet a million years ago, during the ...

On the steps of the U.S. Capitol on a balmy October morning, a crowd of people sporting “Save NASA Science” buttons buzzes with anticipation. Among them stands Eli Orland, who likens America’s space ...