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

In the distant past, the solar system was rife with impacts and collisions. Millions of rocky objects zoomed chaotically ...

The newly discovered "twilight" asteroid, 2025 SC79, was obscured by the sun's glare until an astronomer pointed the Dark ...

Astronomers discover 2025 SC79, the solar system's second-fastest asteroid, hiding in the Sun's glare. Learn why these ...

PN7 has been a mysterious space traveler, shadowing our planet for decades undetected in our vast celestial world, until now.

A new quasi-satellite, 2025 PN7, has been discovered, joining a group of asteroids that orbit the Sun alongside Earth. These ...

Contrary to online rumors, Earth still only has one true moon, but astronomers have discovered a so-called 'quasi-moon.' Here ...

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

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

As mankind was planning the first moon landing in the 1960s, an asteroid approached Earth—and still hasn’t left.

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