“We didn’t know what it was at first,” Greene said in a statement released by NASA’s Earth Observatory this week, along with ...

Earlier this week, Saturn gained a whopping 128 new official moons, as the International Astronomical Union recognised ...

Curiosity found large organic molecules in a 2013 Mars rock sample. These fragments suggest Mars had the right chemistry for early life.

For more than a decade, a robotic explorer has been traveling across Mars, quietly collecting clues about a time when the Red ...

Saturn is below Venus and very low in the predawn sky. In late April it is five degrees above the horizon. You may need ...

NASA’s Curiosity rover has just made a fascinating discovery on Mars — the largest organic molecules ever found on the red ...

NASA’s Curiosity Mars rover has detected the largest organic (carbon-containing) molecules ever found on the red planet. The ...

The subject of today’s NASA/ESA Hubble Space Telescope image is the stunning spiral galaxy NGC 5530. This galaxy is situated 40 million light-years away in the constellation Lupus, the Wolf, and ...

Pale rocks on the red planet reveal a watery past and suggest the potential for life. Sometimes, scientists have to dig, work ...

This new propulsion system could rewrite the rules of spaceflight—not to mention completely defy conventional physics.

But Curiosity wasn't the only one with a geological mystery. At the same time, roughly 2,300 miles away on the other side of ...

A science experiment aboard NASA's Curiosity rover has found tantalizing traces of possible past life on Mars. But there ...