WASHINGTON - In ancient mythology, the phoenix was a miraculous bird with a cyclical pattern of life and death, perishing in ...

NASA’s Nancy Grace Roman Space Telescope has completed key guidance tests and given its Coronagraph Instrument its first look ...

To date, over 5000 exoplanets have been discovered using telescopes on the ground and in space. Credit: NASA/JPL-Caltech ...

Scientists have traced a series of mysterious radio signals to a gigantic alien world 63 light-years from Earth.

I/ATLAS interstellar comet, first photographed from Mars orbit in October 2025, carries water ice with deuterium levels more ...

Observations from NASA's Webb telescope have revealed detailed chemical fingerprints from catastrophic, planet-shattering ...

Enceladus is covered in ice, but that layer might hide a subsurface ocean. Researchers have long wondered if the salty body ...

Astronomers have searched a nearby system with two stars for giant planets—and found none. But the result could help guide future searches for smaller, rocky worlds, including planets that might have ...

This summer, exoplanet science—the study of planets orbiting stars beyond our sun—took a big step forward. Reports of helium ...

Enceladus is hardly an inviting place. It sits 1.5 billion kilometers from the Sun, covered by a thick frozen exterior. Yet ...

The aliens were next door, and somebody killed them. That’s the story plasma physicist John Brandenburg, PhD, tells about ...

Research suggests the Enceladus moon could naturally concentrate potential biosignatures, helping future spacecraft search ...