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 ...

This coming July, Venus could plow through the dust generated by an asteroid breakup thousands of years ago, potentially sparking an impressive meteor shower.

NASA’s asteroid trackers have just watched a school‑bus‑sized space rock make a safe, distant pass by our planet, part of a steady stream of small objects that routinely zip through the inner solar ...

How can missions to the moon lead to further missions to the red planet, Mars?

The asteroid, around 100 feet in diameter, is speeding toward our planet at about 22,000 miles per hour, according to NASA.

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 ...

The space rock is hurtling through our cosmic backyard at a zippy 26,200 miles per hour, according to the space agency.

I spoke to Unistellar co-founder and SETI astronomer Franck Marchis about how citizen scientists are using smart telescopes to engage in planetary defense, research and observational astronomy. Here’s ...

A new study reveals a rare-breaking white dwarf star, dubbed RXJ0528+2838, that is somehow generating a rainbow-like "bow shock" as it zooms through the Milky Way. The cosmic zombie is also ripping ...

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CAPE CANAVERAL, Fla. -- An ailing astronaut returned to Earth with three others on Thursday, ending their space station mission more than a month early in NASA's first medical evacuation. SpaceX ...

Interstellar comet 3I/ATLAS and its unusual gas-to-dust chemistry Crewed and robotic lunar missions advancing sustained exploration Asteroid characterization and deflection studies supporting ...