NASA is tracking a near-Earth asteroid called 2026 BJ8 that is moving through space at around 50,000 kmph and is roughly the size of an airplane. Although its speed and relatively close approach to ...

An asteroid skimming just 200 miles above the planet sounds like science fiction, yet recent flybys have come uncomfortably close to that mark. Several small space rocks have threaded the gap between ...

Most near-Earth asteroids are thought to drift in from the main asteroid belt. But a small subset may have a much closer origin: the moon. One intriguing example is 469219 Kamoʻoalewa (2016 HO3), an ...

A niche corner of the commercial space sector is attracting attention from United States national security planners, not because of its economic promise, but because of the technical problems it is ...

NASA's Parker Solar Probe captured this image showing the nightside surface of Venus. A family of asteroids share the planet's orbit, and two new studies suggest that one day the space rocks could ...

A hidden population of asteroids sharing Venus' orbit could threaten Earth in a few thousand years, and we might not even see them coming without better telescopes. These so-called Venus co-orbital ...

A massive asteroid nearly the size of a New York skyscraper will make a close approach, or pass, by Earth in the early hours of Sept. 18, according to scientists. They say the asteroid, officially ...

The asteroid known as 2024 YR4 is out of sight yet still very much on scientists’ minds. The building-sized object, which initially appeared to be on a potential collision course with Earth, is ...

In the distant past, the solar system was rife with impacts and collisions. Millions of rocky objects zoomed chaotically through the system, smashing into each other in collisional cascades. Over time ...