Astronomers can usually spot "planet killer" asteroids long before they approach Earth. But what if they can't?

A newly discovered asteroid, 2025 SC79, is drawing global attention due to its unusual orbit inside Venus's path and its ...

Astronomers have identified 2025 SC79, a new asteroid with a remarkably fast 128-day orbit, placing it among the ...

The Paris-based European Space Agency says a near 10-foot-wide asteroid passed Earth 265 miles above Antarctica but was not detected until hours after it was gone.

A.I. insights predict the outcomes of a massive asteroid strike on our planet. Exclusive: Three-star general pushed out amid ...

A small asteroid, known as 2025 TF, flew over Antarctica on October 1, 2025, at an altitude of only 266 miles.

There are many programs that detect near-Earth asteroids as part of countries' planetary defense strategies. In the case of ...

In a discovery that could rewrite what we know about where water comes from and the building blocks of life in the solar ...

Earth asteroid that had been hidden in the sun’s glare, marking a significant advancement in planetary defense. This ...

The comet, called 3I/ATLAS, is the third known interstellar object that has come through our solar system. As it flies deeper ...

Dive into NASA's ATLAS system as interstellar 3I/ATLAS nears Sun on 29 Oct 2025—no Earth hit, but astrometry campaign probes ...

An asteroid about the size of a small building zoomed past Earth unnoticed by astronomers last week, coming as close to the Earth’s surface as the International Space Station, according to the ...