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

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

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

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

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

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

The Earth often gets a few visitors in the solar system, but some stick around for a while. Here's what to know about the ...

The reason people might think Earth has a second moon is due to a celestial body named 2025 PN7 that was spotted in August by ...

A newly discovered space rock zoomed safely by Earth on Wednesday (Oct. 15) at only about a quarter of the average distance ...

Newly dated fossils from New Mexico challenge the idea that dinosaurs were in decline—and suggest instead they had formed ...

Dinosaurs appear to have been thriving before a giant asteroid hit the Earth 66 million years ago, paleontologists working in ...

New research suggests that dinosaur populations were thriving in North America before the asteroid impact 66 million years ...