Why is the expansion of our universe accelerating? Twenty-five years after its discovery, this phenomenon remains one of the greatest scientific mysteries. Solving it involves testing the fundamental ...

Observers in the Eastern Hemisphere will be able to see the asteroid streak across the sky with the naked eye. NASA plans to ...

Asteroid Apophis, or "God of Chaos," will pass close to Earth on April 13, 2029. This rare encounter offers scientists a ...

To confirm these predictions, NASA's OSIRIS-APEX mission will rendezvous with Apophis during its close encounter. The spacecraft will observe the asteroid for 18 months, documenting any changes caused ...

Inside the mission to meet a 'city-killer' asteroid before it hits EarthWhen the 'God of Chaos' asteroid flies by our planet ...

Last month, an asteroid impacted Earth's atmosphere just hours after being detected — somehow, it managed to circumvent ...

Despite its relative weakness, researchers believe it was sufficient to affect the formation of bodies at distances more than seven times the Earth-Sun distance. That includes Jupiter, Saturn, Uranus, ...

When the 'God of chaos' asteroid Apophis makes an ultraclose flyby of Earth in 2029, our planet's gravity may trigger tremors ...

MIT researchers analyzed precious samples from the asteroid Ryugu, delivered to Earth by Japan’s Hayabusa2 mission. They looked for clues of an ancient magnetic field.

We’re showing that, everywhere we look now, there was some sort of magnetic field that was responsible for bringing mass to ...