"Scientifically there's a huge amount we can learn from asteroids," says Alan Fitzsimmons, an astronomer at Queens University ...

A CITY-KILLER asteroid could be hurtling towards Earth but going completely undetected, a space agency chief warned. Humanity ...

But a stunning discovery has thrown these ideas into question. Recent studies of asteroid fragments retrieved from space have revealed unexpected organic compounds and traces of water-suggesting ...

The best modern comparison is the 1908 Tunguska Event, when an asteroid or comet fragment measuring 30-50 meters exploded over Siberia, flattening 80 million trees across 770 square miles.

It came from outer space! In the early morning of June 30, 1908, people in the remote Tunguska region of Siberia beheld an ...

When the universe gives you asteroid lemons, you should make science lemonade. The asteroid 2024 YR4, once considered potentially hazardous, isn't likely to hit us anytime soon. Now, a team of ...

Geologic map of the asteroid belt. Circles identify the asteroid families from which our meteorites originate and letters mark the corresponding meteorite type. The horizontal axis ranges from short ...

Despite their overall similarities, asteroids are usually pretty distinct from one another. Vesta has a very different ...

If the asteroid is smaller, an impulse could break up, or fragment, the asteroid.” To be clear, the odds remain small, and now that they have fallen dramatically, further refinements are likely ...

produced a huge amount of ejecta—fragments ejected from the surface—revealing crucial information to improve the effectiveness of future asteroid deflection missions. The first study was ...

The best modern comparison is the 1908 Tunguska Event, when an asteroid or comet fragment measuring 30-50 meters exploded over Siberia, flattening 80 million trees across 770 square miles.