The largest diamond found in more than a century has been unearthed in Botswana. The 2,492-carat diamond is the second-b...

2 months ago

Four private citizens are set to launch next week on a mission to space that is expected to include the first spacewalk ...

3 months ago

NASA and Boeing have been monitoring two issues with the Starliner spacecraft: one with a set of thrusters and the other...

3 months ago

In two locations on the same night, the storm that hit the Northeast this weekend dumped rain at or near rates that shou...

3 months ago

Value-conscious sky watchers can rejoice Monday as the night could bring into focus a rare two-for-one: a supermoon and ...

3 months ago

SpaceX is preparing to launch its private Polaris mission in a week, featuring the first attempt to have commercial astr...

3 months ago

For U.S. earthquake scientists, Japan's 'megaquake' warning renewed worries about when and how to warn the public if the...

3 months ago

The asteroid responsible for our last mass extinction 66 million years ago — wiping out the dinosaurs — originated from ...

3 months ago

After a 14th-straight month of record-high global temperatures in July, NOAA expects this year to end up as the hottest ...

3 months ago

NASA is expecting to make a final decision soon as to when and how to bring home the two astronauts who launched on Boei...

3 months ago

NASA says a decision on when they'll bring home two astronauts who have been on the ISS for months due to issues with th...

3 months ago

Stonehenge's "altar stone" likely originated in present-day Scotland, a study found. It raises questions about how ancie...

3 months ago

Mars may be drenched beneath its surface, with enough water hiding in the cracks of underground rocks to form a global o...

3 months ago

Puerto Rico activated the National Guard on Monday and canceled the start of classes in public schools as forecasters wa...

3 months ago

NBC News' Dan Griffin has the latest on a 4.4-magnitude earthquake that rattled South Pasadena, California.

3 months ago

An earthquake hit Los Angeles on Monday, rattling a wide swath in and around the metro area.

3 months ago

Elon Musk’s SpaceX violated environmental regulations by repeatedly releasing pollutants into or near bodies of water in...

3 months ago

Four people in California describe what it was like to lose their homes to wildfires twice in six years: First to the Ca...

3 months ago