An asteroid that orbited near Earth for a few months as a mini-moon may be a chunk of the moon that was blasted off by an impact thousands of years ago.

Mars' southern hemisphere absorbs a lot of the sun's energy during the Red Planet's spring, and that may be causing Mars' ...

New U.S. Postal Service stamps released last week feature images captured by NASA's James Webb Space Telescope.

Ever since Isaac Newton famously talked about gravity, its dominance as a force in our solar system has been well known. It's ...

BS4 may be anywhere between 17 and 40 feet across, and will approach at about twice the distance between the Earth and moon.

The U.S. Postal Service has issued a new set of stamps celebrating the James Webb Space Telescope, the most powerful space ...

China’s "artificial sun" EAST fusion reactor smashed the previous record for sustained plasma, advancing nuclear fusion ...

NASA's NIAC program is investing in visionary ideas that could revolutionize space exploration. From fusion-powered ...

The case of mistaken identity was quickly resolved, but astronomers say it shows the need for transparency around craft in ...

The Chinese Academy of Sciences (CAS) has said that is nuclear reactor, dubbed the ‘artificial sun’, successfully ran twice ...

Four compact satellites of NASA's PUNCH mission are prepping for a shared launch with the SPHEREx space telescope on a SpaceX ...

Images captured by NASA's Solar Dynamics Observatory have revealed that "coronal loops" give off subtle flashes of ...