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

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

NASA's Double Asteroid Redirection Test (DART) impacted the 'moonlet' Dimorphos in the Didymos asteroid system. The Les Makes ...

NASA's OSIRIS-APEX mission, which was one of 19 designated to be canceled by the Trump administration, has been saved from ...

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

A small, giraffe-size asteroid called 2025 TF came closer to Earth than some satellites on Wednesday (Oct. 1), stunning astronomers who first spotted it hours later. Measuring an estimated 3.3 to 9.8 ...

Asteroid 2025 SC79 is the size of a skyscraper and moves around the solar system at a record-breaking speed. Astronomers ...

Astronomer Gianluca Masi and his Virtual Telescope Project will host a special livestream on Oct. 24 beginning at 1:30 p.m.

If an asteroid is on a collision course with the moon, what should humanity do? Try to nudge the space rock out of the way before it strikes? Obliterate it with a nuclear explosion? Those are the ...

After NASA smashed a spacecraft into an asteroid, its orbit slowly but surely changed over the next month, and astronomers can’t explain why. In 2022, the Double Asteroid Redirection Test (DART) flew ...

NASA is tracking a house-sized asteroid that’s approaching Earth at a zippy 36,216 miles per hour. The asteroid—known as “2025 TC”—is projected to make its closest approach at just 53,400 miles from ...

Meara covers streaming service news for CNET. She graduated from the University of Texas at Austin with a degree in journalism. When she's not writing, she likes to dote over her cat, sip black coffee ...