A new letter addressed to acting NASA chief Janet Petro calls out the space agency for failing to answer questions raised by ...

Unpredictable bursts of light are pulsing from the debris surrounding Sagittarius A*, offering new insights into the ...

A NASA astronaut is seen as the Earth's surface passes by in the background on the International Space Station, in this ...

NASA has confirmed the discovery of a mysterious new planet beyond Neptune, shaking up our understanding of the outer reaches of the solar system. Astronomers are now analyzing this strange celestial ...

The ripples suggest that the lake was free of ice at one point.

Childs, Cooper, Thompson Bring Decades of Expertise to Heliospace BERKELEY, CALIFORNIA / ACCESS Newswire / February 20, 2025 ...

Callisto, the third largest moon in the entire solar system, orbits Jupiter from about 1.2 million miles away. The rocky ...

The center of our Milky Way galaxy is hidden from the prying eyes of optical telescopes by clouds of obscuring dust and gas.

Official portrait of NASA Associate Administrator Jim Free, taken on Nov. 22, 2024, at the agency's headquarters in ...

Firefly Aerospace, a Cedar Park-based spacecraft manufacturer, has scored a nearly $22M deal with the Space Force to launch a ...

NASA's New Horizons Pluto probe is gearing up to cross the "termination shock," an exotic boundary in the outer solar system, ...