The Kepler space telescope is the source of more exoplanet discoveries than any other telescope, so why haven't we heard ...

The Space Race, a fascinating era of the 20th century, captivated the world with its heroic goals and technological feats.

A tremendous effort is underway at NASA to send humans to Mars and return astronauts to the moon, including the flight  of ...

Take a journey to the James Webb Space Telescope's stunning view of giant galaxy cluster WHL0137-08. Credit: Space.com | zoom ...

The buried ocean on Saturn’s moon Enceladus seems to be stable across extremely long periods of time, making it an even more ...

Active galactic nucleus (AGN) black hole 10 billion light-years away, J2245+3743, made the biggest and brightest flare ever ...

As 3I/ATLAS draws scientific attention, it has also ignited a familiar wave of online speculation. Some conspiracy theories, echoing earlier debates around ‘Oumuamua, suggest the comet might be ...

Astronomers have recorded the most luminous flare ever emitted by a black hole—an event so extreme it briefly outshone the ...

Is a sun a star or a planet? While science now agrees the sun is a star, new telescopes may soon challenge how we define ...

A NASA mission will send twin spacecraft to Mars to learn what happened to the Red Planet's ancient, thick atmosphere.

The ESCAPADE mission, short for Escape and Plasma Acceleration and Dynamics Explorers, is the first dual-satellite mission to ...

A NASA mission is set to launch twin spacecraft on a journey to Mars. The robotic orbiters could lift off atop Blue Origin’s New Glenn rocket as soon as Sunday.