The object dubbed Earth's "second moon" is actually a quasi-satellite that's accompanied the planet since 1957 — not a true ...

Primordial black holes could rewrite our understanding of dark matter and the early universe. A record-breaking detection at ...

Earth’s atmosphere is slowly leaking into space, and new research shows some of it reaches the Moon, where it may be ...

The curious minds at What If explore the catastrophic impact if the largest asteroid struck Earth without warning, revealing the immediate destruction and long-term planetary consequences.

When large satellites crash to Earth, we have so far been largely blind to their trajectory. This could change thanks to ...

Learn how the emergence of new plankton species started life's swift recovery after the asteroid impact that killed most ...

Networks created to measure quakes deep underground could also track old, potentially dangerous satellites burning up in the ...

The impact of the asteroid in present-day Yucatan wiped out almost all life on Earth. It recovered faster than previously ...