Astronomers from the Czech Republic and Argentina have employed the Gemini South telescope to observe a yellow supergiant ...

Each of the planets, labeled b, c, d, and e, has a mass between 20% and 30% of Earth's, making them among the smallest yet ...

This first light, as it's called, shows that all of the spacecraft's systems are working just as expected. "Based on the ...

A twisting, whirling streamer of plasma escaping the sun in the aftermath of a coronal mass ejection (CME) has been captured ...

Astronomers have discovered two new exoplanets that are similar to other worlds found in the Milky Way, but unlike any in our ...