The interstellar comet 3I/ATLAS will reach its closest point to Earth on December 19, giving astronomers a closer look at the ...

After decades doing the charts of The Real Housewives (Carole Radziwill calls her "invaluable") and Hollywood actors, Thorne ...

Scientists searched 27 exoplanets for alien technology using planetary eclipses, revealing a new way SETI hunts signals ...

The Geminid meteor shower put on a dazzling cosmic firework show when it peaked overnight on Dec. 13 as shards of the solar ...

Since it has the fewest hours of sunlight compared to the rest of the year, the Winter Solstice is considered the “shortest ...

Even the best telescopes can’t see exoplanets. It’s all about watching for jiggly stars, blue shifts, and transits.

Earth is, simply put, a ball of confusion these days for most of us—from its pandemics to its politics and everything in ...

This weekend, dozens of meteors, including some especially brilliant ones called fireballs, are expected to streak across the ...

Dubbed HD 143811 AB b, the interstellar entity is a gas giant that’s located some 446 light-years away from Earth in a galaxy ...

The Geminid meteor shower peaks Dec. 13–14, and the U.S. weather forecast will play a key role in what you'll see.

In a discovery that's fit for a movie, Northwestern University astronomers have directly imaged a Tatooine-like exoplanet, orbiting two suns. While obtaining an image of a planet beyond our solar ...