In fact, July 9 could end up being the shortest day ever recorded by the International Earth Rotation and Reference Systems ...

Ever been late because you misread a clock? Sometimes, the "clocks" geologists use to date events can also be misread.

The largest chunk of rock ever to land on Earth from Mars is set to be auctioned. The meteorite known as the NW16788 is 24 kilograms. It is the largest rock ever to journey through the Earth’s ...

The discovery of more than 15,000 kilometers of ancient riverbeds on Mars suggests that the Red Planet may once have been ...

For decades, scientists have theorized about how Mars reached its current state. Many believe that the Red Planet's surface ...

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

Strange cone-shaped rocks led scientists to the hidden remains of one of Earth’s oldest asteroid impacts. It could help us find fossil life on Mars.

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

If we're to land humans on Mars in the coming decades, we'll have to know what challenges await them when they get there.

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