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.

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.

The geological narrative of the Red Planet is etched in the rocks and soil. Scientists want to get that material to Earth, where it can be examined with technologies that can’t be shoehorned ...

Geophysicists at ETH Zurich are using models of the lower mantle to identify areas where earthquake waves behave differently ...

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

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

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