Throughout history, only a select few people who were in the right place at the right time could say they’ve heard the sound ...

A new high-resolution computer model shows rocks that are colder, or have a different composition, in Earth's mantle where ...

Alinda has made its closest approach to our planet in decades, and it's about to peak in brightness in a rare ...

A comet visible only once every 160,000 years is set to fly by Earth. And there's a pretty decent chance you can see it.

Scientists discovered plate anomalies in Earth's mantle using seismic wave analysis. These mysterious structures challenge ...

NASA will explore two different strategies for fetching Mars rocks collected by the Perseverance rover, and there's a chance ...

Don’t space out or you’ll miss it. A once-in-a-generation asteroid broader than the width of Manhattan will be passing by the ...

The Mars Sample Return effort was billions of dollars over budget and not expected to return to Earth with its samples until 2040.

NASA is pitching a cheaper and quicker way of getting rocks and soil back from Mars. Administrator Bill Nelson presented two ...

The US$2.7-billion Perseverance rover collected the samples looking for evidence of past life, but NASA is dithering about ...

Old Rock Day on January 7 honors the significance of rocks, fossils, and Earth's geological history. Discover ways to ...