NASA's upcoming EDGE satellite mission, led by UC San Diego, uses lasers to deliver unprecedented 3D mapping of Earth.

"For asteroids of the size scale relevant to planetary defense (i.e., ∼50-500 m), the mass can only be directly measured ...

Estimating a mass for a potentially hazardous asteroid (PHA) is perhaps the single most important thing to understand about ...

Rubin Observatory begins sending hundreds of thousands of nightly alerts as it prepares for its 10-year sky survey, tracking supernovae, asteroids, galaxies and other changing objects in near real ...

The newly discovered object dubbed the Great Comet of 2026 may become visible to the naked eye during its close solar pass in April.

The dinosaurs were wiped out by an asteroid, but does that mean we risk suffering the same fate - and should you be worried about the possibility? Leah Crane sets the matter straight ...

On nights when an asteroid is scheduled to pass Earth, a certain type of silence is present. It's not a storm warning's ...

China’s Shenlong space plane launched from Jiuquan Satellite Launch Center for its fourth orbital mission to low Earth orbit, continuing tests for future reusable spacecraft technologies.

A factual look at projections of a potential 2032 asteroid impact on the Moon, including how scientists track near-Earth ...

NASA estimates that roughly 25,000 near-Earth asteroids measuring at least 140 meters across orbit in our planetary neighborhood, but surveys have so far cataloged only about 40% of them. That gap ...

On January 30, 2026, SpaceX filed an application with the US Federal Communications Commission for a megaconstellation of up to 1 million satellites to power data centers in space.

She’s worried about the a-rock-alypse. A planetary defense expert is warning that humanity is defenseless against up to 15,000 undetected near-Earth asteroids that have the potential to take out a ...