In a rare cosmic discovery, scientists have detected an interstellar comet, 3I/ATLAS, releasing water vapour while still far from the Sun, a phenomenon that has left astronomers astonished. Using NASA ...

When you’re on a camping trip, you might have to pack your own food and maybe something to filter or treat water that you find. But imagine your campsite is in space, where there’s no water, and ...

Some 4.6 billion years ago, Earth was nothing like the gentle blue planet we know today. Frequent and violent celestial impacts churned its surface and interior into a seething ocean of magma—an ...