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

1 month ago

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

1 month ago

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

2 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...

2 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...

2 months ago

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

2 months ago

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

2 months ago

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

2 months ago

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

2 months ago

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

2 months ago

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

2 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...

2 months ago

The annual Perseid meteor shower peaks overnight Sunday, giving skywatchers a chance to enjoy one of the best shooting s...

2 months ago

Japan issued a “megaquake advisory” following a 7.1-magnitude earthquake off its coast. That raised the risk of a larger...

2 months ago

Scientists are proposing a new approach to warm up Mars by pumping engineered particles into the atmosphere as aerosols ...

2 months ago

Amid ongoing issues with Boeing’s Starliner spaceship, a report from NASA’s Inspector General highlights other shortcomi...

2 months ago

Homes and some businesses were damaged by floodwaters in Juneau, Alaska, after rainwater and snowmelt overtook an ice da...

2 months ago

Cases of Valley fever have been climbing in California. An outbreak among attendees at a music festival highlights the f...

2 months ago