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 ...

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.

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 ...

BEIJING -- A team of Chinese geologists has created a Mars soil simulant that almost replicates Utopia Planitia soil, a ...

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.

The budget cuts NASA's $7.33 billion science budget nearly in half, affecting multiple missions. Photo / There is a fully ...

At least 2,145 senior-ranking NASA employees are set to leave under a push to shed staff, according to documents obtained by POLITICO — potentially spelling trouble for White House space policy and ...