That evening, a dashcam captured a bright fireball appearing to plummet through the skies over Portsmouth, N.H. Photographer ...

Zipping toward Earth at around 20,000 miles per hour, the asteroid is due to make its closest approach on Tuesday.

The University of Arizona's OSIRIS-APEX spacecraft only made it home once in 2025, but at least it got some nice snapshots ...

An asteroid is headed straight toward Earth. Initially, scientists thought it would miss us, but they've made some serious ...

Two rare cosmic collisions around the young star Fomalhaut were caught by space telescopes, offering new clues about how planets form.

NASA is also tracking a building-sized asteroid named “2025 YC3”, with a diameter of around 260 feet, and another bus-sized one known as “2025 XT7,” some 42 feet across. Both are expected to come with ...

The Ursid Meteor Shower is a subtle but reliable annual celestial event that occurs each December around the winter solstice.

Scientists have sought out and detected radio emissions from from interstellar comet 3I/ATLAS, all but confirming that it has natural origins.

The final major meteor shower of the year peaks this weekend. The Ursids meteor shower will be most visible on Sunday night into early Monday morning, when keen observers can expect to see five to ten ...

It turns out we can also move vast bands of radiation and make them into a barrier around our planet, even though we had no ...

Researchers are keeping an eye on the building-sized asteroid 2024 YR4, which has a 4 percent chance of hitting the moon seven years from now.

The Ursids peak Sunday night into Monday morning and will be visible until Dec. 26 from the Northern Hemisphere. Skygazers ...