After a 35-year journey, Voyager 1 finally reached interstellar space in 2012. The most distant human-made has to venture on ...

Around the bright star Fomalhaut, astronomers spotted glowing clouds of debris left behind by colossal collisions between ...

Experts from CNET, PCMag, Mashable, ZDNET and Lifehacker debated for more than six hours to determine the absolute best new ...

Astronomers think they may have identified a new class of astronomical object — something that looks like a galaxy in every ...

Scientists have identified a strange cosmic relic called Cloud-9 — a starless, gas-filled object dominated by dark matter.

Most planetary systems contain worlds larger than Earth but smaller than Neptune, and the low-density planets around one ...

The galaxy cluster appears hotter and more mature than it should for its young age, challenging what we think we know about ...

Thanks to the discovery of thousands of exoplanets to date, we know that planets bigger than Earth but smaller than Neptune ...

How does a star affect the makeup of its planets? And what does this mean for the habitability of distant worlds? Carnegie's ...

Another view from Perseverance shows how windswept Mars' landscape truly is.

PHOENIX — Like a motorboat doing doughnuts in a lake, Betelgeuse’s companion star leaves a wake in the giant star’s ...

NASA's SPHEREx telescope unveiled its first full-sky map of the universe, combining more than 100 infrared observations into ...