New multiscale simulations help crack long-standing mysteries behind the enormous radio arcs generated when galaxy clusters ...

A new study casts doubt on the universe’s accelerating expansion, suggesting dark energy might be weakening over time.

"Astronomers have wanted to spot a coronal mass ejection on another star for decades. We’ve now managed to do this for the ...

The powerful coronal mass ejection would have likely destroyed the atmospheres of any potentially habitable planets nearby ...

A new study of the red dwarf system TOI-3884 has uncovered rare, persistent spot-crossing signals that reveal unusually detailed information about the star’s magnetic activity and the planet’s orbital ...

Over the course of billions of years, the universe has steadily been evolving. Thanks to the expansion of the universe, we ...

Scientists have identified three Earth-sized planets orbiting two stars in the TOI-2267 system. Remarkably, planets transit ...

Astronomers discovered a close companion star orbiting red giant π¹ Gruis, challenging stellar evolution models and revealing ...

Astronomers have recently made a groundbreaking revelation about the Pleiades star cluster, also known as the Seven Sisters.

The Russian invasion has shut down one of the world’s largest radio telescopes, a Soviet project that has been damaged during ...

According to Paul Robertson, associate professor of physics and astronomy at UC Irvine, discovering new exoplanets is common ...