A 54-pound meteorite from Mars is expected to fetch up to $4 million when it goes up for auction later this month at ...

We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.

In our analysis this week, we look at how NASA's proposed budget would slash the agency's science division by nearly 50%.

Mars has lost immense amounts of water over it lifetime, and scientists aren't sure exactly how. New research hints that the planet's violently varying tilt may be a key factor.

The largest-known piece of Mars to be found on Earth will be up for bid and could be sold for up to $4 million at auction.

It’s hard not to wonder whether NASA and the United States’ space program will survive the Republican president's second term ...

NASA's leadership change comes at a pivotal moment for the agency, which is already bracing for potentially severe funding ...

Join us as we dive into Mars like never before, with breathtaking 4K footage captured by NASA's rovers, including Curiosity, Opportunity, and Spirit. In this video, you’ll get an up-close look at Mars ...

New research has uncovered more than 15,000 kilometers of ancient riverbeds on Mars, suggesting that the Red Planet may have ...

White House takes aim at several projects failing to meet cost and schedule estimates—and several more that aren’t.

The full buck moon will reach its peak illumination on Thursday, July 10. It’s just one of this month’s celestial highlights.

NASA’s Mars Reconnaissance Orbiter has learned to pull off daring 120-degree rolls that give its SHARAD radar ...