Space is not as empty as it looks. Right now, as you read this, NASA scientists are actively watching dozens of objects ...

Asteroid 2024 YR4 is big and dangerous enough that it has been dubbed a "city killer." There were concerns that the asteroid ...

Of all the asteroids that have imperiled the planet, 2024 YR4 is unparalleled. An Earth impact was eventually ruled out in ...

NASA warns that more than 15,000 asteroids capable of destroying cities remain undetected and that Earth has no defense against impact.

Scientists are tracking an object heading toward earth that could enter the planet’s orbit, and they are not entirely sure what it is. The object, named Asteroid 2020 SO, is believed to be man made ...

The interstellar comet 3I/ATLAS is leaving our solar system. See new photos from a European Space Agency orbiter on its way to Jupiter.

A fast-moving asteroid called 2026 DG7 is set to pass relatively close to Earth. Scientists say it poses no danger, but the event is drawing attention from space agencies worldwide. Why?

NASA’s NEO Surveyor telescope will launch in 2027 to find dangerous asteroids that current telescopes miss, strengthening planetary defense.

There's some welcome news for astronomers as a threatening asteroid is no longer expected to impact the moon. At one point, ...

Near-Earth objects (NEOs) as a research area encompass the observational, theoretical, and modeling studies of asteroids and comets whose orbits bring them into proximity with Earth, typically with ...

"The work continues." ...