"I had been waiting my entire career for Webb so that we could meaningfully characterize the atmospheres of these smaller ...

Discovered in 1930, Pluto was long considered our Solar System's ninth planet, but was unseated in 2006 after the discovery ...

"We're studying the leftover raw materials from the formation of the planets and trying to understand the history that made ...

These types of exoplanets are some of the most common in our galaxy - but they've remained mysterious until now.

Take a voyage to the stars either Saturday night or Sunday afternoon, as Symphony San Jose, under the baton of conductor Tatsuya Shimono, blasts off for "The Planets-An HD Odyssey," a concert-length ...

Astronomer Eliza Kempton said that she had waited her "entire career" to peer into an atmosphere from this mysterious class of planets.

NASA has revealed its top skywatching tips for May, and they include a meteor shower, lots of planets, and possibly a nova.

Sub-Neptunes, planets with diameters bigger than Earth's but smaller than Neptune's, are the most prevalent form of exoplanet ...

A study using the NASA’s Chandra X-ray Observatory and other X-ray telescopes has revealed that "an exploded star can pose ...

Warmer climates than Earth’s could accelerate life’s development, potentially increasing the number of planets with more ...

Astronomers are once again getting excited about a rare nova that could appear in the night sky anytime from now into the ...