The Hoba meteorite, the largest ever discovered on Earth, has baffled scientists for decades. Despite its massive size, it didn’t leave behind an impact crater, nor does any historical record exist of ...

Astronomers are tracking asteroid 2024 YR4, which has a 2% chance of impacting Earth in December 2032. Scientists are ...

Explore Ceres, the largest asteroid in our solar system, and discover its remarkable ancient ocean and ice-rich crust.

Happy Statehood Day, Arizona. From Stevie Nicks and award-winning Mexican food to small towns and Camelback Mountain, here's ...

Happy Statehood Day, Arizona. From Stevie Nicks and the Colorado River to creosote and Camelback Mountain, here's why we love ...

The head of planetary defense at the European Space Agency discusses 2024 YR4, an asteroid with a small chance of striking ...

Chilling animations depict the apocalyptic impact that “city-killer” asteroid YR4 2024 could have if it did hit Earth — while ...

"An asteroid this size impacts Earth on average every few thousand years and could cause severe damage to a local region," ...

The asteroid, dubbed 2024 YR4, has a 2.3% chance of colliding with Earth on Dec. 22, 2032, according to a NASA update on Feb.

Right here on Earth are some outstanding examples of meteorite and asteroid impact craters and other visible impact ...

Is Earth really exceptional?  A new book seems to reaffirm that notion.  But given the right conditions, primitive life may be a mere byproduct of biophysics.