NASA's Curiosity rover landed on Mars on Aug. 5, 2012, and has travelled more than 34 kilometres on the Martian surface. The discovery of carbonate suggests that the atmosphere contained enough carbon ...

Tutolo led a new study of rock samples collected by the Curiosity rover that might have answered this question. The mystery ...

Mars Express captures images of Acheron Fossae, revealing the Red Planet’s split terrain—ancient cratered highlands and ...

Amid harsh cuts, the Trump administration has proposed canceling the nearly ready-to-launch Nancy Grace Roman Space Telescope ...

A 4.4-billion-year-old zircon crystal discovered in Australia may be the oldest surviving piece of Earth.

Imagery of fractured terrain on Venus, Mars, and Jupiter’s moon Europa pinpoints environments influenced by water.

Over 4.6 billion years ago, Earth took shape from a spinning cloud of dust and gas surrounding the young sun. Tiny particles ...

We all know that stars shine; go outside on any clear night and look above you to observe these bright, twinkling — caused ...

The Lyrid meteor has peaked in late April for thousands of years. It begins in little bursts on the eve of April 16 and peaks ...

Last spring, the strongest geomagnetic storm in two decades slammed Earth, producing light displays across the Northern ...

A group of comets with unexplained movements presents a quandary D avide Farnocchia hunts down and tracks asteroids, and ...

The night sky this week brings a first peek at the Lyrids Meteor Shower before its actual peak, plus planets including Venus, ...