However, "2025 HP" is not the only space rock flying nearby. Today, a separate 40-foot, bus-sized asteroid named "2025 HN4" ...

Astrophysicist Jonathan McDowell told Newsweek there were changes in Cosmos 2553's orbit amid speculation about the satellite ...

Scientists leveraged a global camera network and doorbell cameras to track dozens of meteorites to their asteroid families.

At just 300 light-years away, it’s one of the closest large gas clouds ever detected near Earth, and takes up as much sky as a typical constellation.

SpaceX launched a Falcon 9 rocket loaded with nearly two dozen Starlink satellites into low-Earth orbit late Sunday from ...

A distant flicker of light from a star can reveal more than you might expect. In fact, a brief, subtle brightening in the sky ...

Astronomers from MIT have uncovered a dramatic celestial spectacle: a Mercury-sized exoplanet that is rapidly disintegrating ...

The Missile Defense Agency confirmed that L3Harris’ Hypersonic and Ballistic Tracking Space Sensor (HBTSS) satellite ...

There’s more to studying outer space than looking through telescopes and analyzing the mineral compounds in samples collected ...

UCSB Physics Professor Roger Freedman held our attention three years ago as he explained the wonders and understanding that ...

These measurements are necessary for improving our ability to accurately predict satellite locations so that we can perform ...

Sierra Space’s recent tests involved a pair of .50 caliber guns built to replicate orbital debris impacts by firing ...