If such ‘twilight’ asteroids approach Earth, "they could pose serious impact hazards," warned the astronomer behind the ...

A small asteroid named 2024 PN7 is moving close to Earth, sparking false claims about a second moon — here’s what scientists actually say.

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

Many scientists call Jupiter the architect of the solar system because its immense gravity influenced the orbits of other ...

Southwest Research Institute could lose more than $265 million if the cuts go through, including defunding missions already ...

Quasi-moons are not real moons and don't actually orbit the Earth, although they sometimes appear to do so for short periods ...

Astronomers have discovered asteroid 2025 SC79, a skyscraper-sized space rock orbiting the sun in just 128 days — the ...

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

The Habitable Worlds Observatory (HWO) will be the first telescope specifically engineered to identify habitable, Earth-like ...

A scientist spotted an asteroid hiding in the sun's glare that orbits the sun in just 128 days, making it the second fastest ...