ESA's Gaia mission has determined he orbits of 154,741 asteroids in our solar system. Credit: ESA/Gaia/DPAC Congress is done.

Journey to the farthest reaches of our solar system and uncover the mysteries of Sedna, a reddish dwarf planet that orbits ...

As the American Meteor Society notes, Quadrantids has a short but active peak, lasting around 6 hours. The peak is expected ...

Fourth anniversaries aren’t often causes for celebration. But in the case of the James Webb Space Telescope (JWST), which ...

"I think every astronomer is going to find something of value here, as NASA's missions enable the world to answer fundamental questions about how the universe got its start, and how it changed to ...

Pluribus imagines Kepler-22b as an ocean world that sends a gift to humanity through radio waves. In real life, no such ...

The Ursid meteor shower will reach its dazzling peak this evening, sending bright fireballs flashing through the sky.

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

NATO-nation intelligence services believe Russia is developing a weapon to target Starlink satellites. Intelligence findings ...

But that’s nothing compared with PSR J2322-2650b, an object the mass of Jupiter studied recently by the James Webb Space Telescope. This planet’s equatorial diameter is about 38 percent wider than its ...

Astronomers have witnessed shocking cosmic collisions around Fomalhaut, a nearby star just 25 light-years away. Giant space rocks smashed apart, rewriting what scientists thought they knew about ...

Although the Ursids are active from Dec. 13 through Dec. 26, the peak night coincides with the winter solstice, which occurs at 10:03 a.m. EST on Dec. 21. Though the two events are totally unrelated, ...