The Eris rocket struggled to clear the launch tower during its long-awaited debut.

There could be life as we know it, or rather as we don't know it, forming on Saturn's largest moon.

Plasma waves are a critical element to understanding the many mysteries of the gas giant’s turbulent, magnetically powerful atmosphere, the researchers say.

To get started, all you need is a standard A4 sheet of paper and the folding skills of a 4-year-old.

The finding suggests a pair of gigantic Fermi bubbles in our galaxy formed after the dinosaurs.

The explosion created a 250,000-mile-long, boiling trench of hot plasma and debris in the star’s outer atmosphere.

Named Ammonite, the distant object casts doubt on the existence of the elusive Planet Nine.

If intelligent life exists beyond Earth, these beings may already know where we live.

The presence of apparent biological signatures on Venus has left UK-based researchers chasing down bacterial life in the planet's clouds.

The choice makes perfect sense from a Trumpian perspective, and that doesn't bode well for the space agency.

A new study on the structure of ice formed in space overturns a decades-long consensus in astronomy.

The freshly minted telescope discovered 2,000 previously unknown asteroids in just 10 hours. Weirdly, NASA doesn’t seem to care.

As the closest planet to the Sun, Mercury is exposed to the star's enormous gravitational field. And it's really stressful.

Are we on Mars yet?

The Vera C. Rubin observatory will host a “first look” event at 11 a.m. ET on Monday, June 23. You can watch it live right here.

One of Mars' tallest volcanoes peeps over a thick layer of clouds, in Odyssey’s first picture of Arsia Mons peering over the Red Planet's horizon.

How a robot built to walk on alien ice got the cold shoulder—and then (possibly) lived to see another day.

The unusual astronomical skirmish offers new insight into the dynamics of such collisions.