Alone among known planets, Earth has vast oceans on its surface and its landmasses are marked with lakes and extensive river drainage systems. Water is the biosphere's lifeblood, and without it, Earth ...

Find out when, where, and how to watch the best celestial show of the year, the 2025 Perseids Meteor Shower, despite the moon ...

"Its occurrence is like finding a tropical seed in Arctic ice – indicating either an unexpected local environment or ...

They’re not a perfect match, but it’s way too hot on the first planet for us to hop over and confirm for ourselves.

Back to Article List Why meteorites that hit Earth have less water than the asteroid bits brought back by space probes — a planetary scientist explains ...

The mismatch between asteroids and meteorites When researchers use telescopes to study the main asteroid belt and nearby regions, they find that about two-thirds of the mass is made up of carbon ...

Most meteorites that have reached Earth come from the asteroid belt between Mars and Jupiter. But we have 1,000 or so meteorites that come from the moon and Mars. This is probably a result of ...

In the 1980s, the theory that dinosaurs were wiped out by a massive meteor that hit the Earth began to gain scientific ...

A tiny grain from asteroid Ryugu has revealed djerfisherite, a mineral that normally forms in scorching, oxygen-poor settings ...

But we have 1,000 or so meteorites that come from the Moon and Mars. This is probably a result of asteroids hitting their ...

Models predict that most meteorites – over half – should also be carbonaceous. But less than 4% of all the meteorites found on Earth are carbonaceous. So why is there such a mismatch?