NASA has confirmed that asteroid 2024 YR4, a space rock approximately the size of a 15-story building, might collide with the ...

The Moon was struck by two asteroids last week, and the activity was caught on camera by a Japanese astronomer. The impact has likely gouged craters several feet wide. There were massive bursts of ...

Deflecting asteroids by running spaceships into them may sound like science fiction, but it's quite real. And it's quite a bit more complex than anyone thought.

Modern astronomy is giving us unprecedented views of the asteroids, comets, and other small bodies that litter our cosmic ...

Solving a lunar mystery? Scientist at the University of Arizona is the lead author on research proposing a new theory for the ...

NASA is studying interstellar object 3I/ATLAS to refine its planetary defence systems, using the comet's rare trajectory as a real-time test for Earth impact prevention strategies.

In a universe where change usually unfolds over eons, astronomers have gotten a rare front-row seat to watch a small, icy world beyond Saturn build a brand-new set of rings in real time.A team of ...

Building on that legacy, Lowell Observatory played a key role in the world’s first Planetary Defense mission in 2022, DART ...

In February, the James Webb Space Telescope will briefly be able to observe asteroid 2024 YR4, which currently has a 4 per ...

When an asteroid threatens Earth, astronomers use a rating called the Torino scale to communicate the risk. Richard Binzel, ...

A newly discovered space rock zoomed safely by Earth on Wednesday (Oct. 15) at only about a quarter of the average distance to the moon. The asteroid, called 2025 TP5, sailed by our planet at 4:09 p.m ...