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

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

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

An asteroid just flew closer to Earth than many satellites, according to space agencies. The space object, named 2025 TF, ...

Asteroid 2024 YR4 has a chance of hitting the moon. To save it from collision, scientists are considering launching a nuclear ...

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

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

Recently discovered asteroid 2023 DW has been predicted to have a close encounter with Earth on Feb. 14, 2046. See NASA's ...

A pair of space probes cruising the solar system may be able to pass through the tail of the mysterious Manhattan-sized comet ...

Around 66 million years ago, the reign of the dinosaurs came to a fiery end. An asteroid about 7 miles (12 kilometers) wide, ...