SpaceX launched yet another batch of its Starlink internet satellites to orbit on Thursday (Dec. 4), sending 28 of them up ...

The filament of matter stretches 50 million light-years, and contains a row of galaxies 5.5 million light-years long that are ...

"It means cleaning house, narrowing the viable paths forward, and no longer spending energy on what are evidently dead ends." ...

Get ready stargazers, the final full moon of 2025 rises tonight! Here's what to expect when the "Cold Supermoon" looms large ...

The next crew handover aboard the ISS is not until July of next year. And the next scheduled astronaut mission to the station ...

Radiation levels at airline flight altitudes briefly reached levels that could be potentially harmful to pregnant women.

Using a high-energy X-ray system, they turned the satellite effectively transparent, revealing fuel and gas tanks, hidden ...

Stargazers rejoice! Dec. 4 marks the start of the annual Geminid meteor shower, as Earth passes through the trail of debris ...

"Precision in these measurements is critical, as even subtle discrepancies could signal deviations from the model — ...

If you've never sighted this rocky little world for yourself, you'll never get a better opportunity than right now to see it.

Most Wanted stream and see the sci-fi and space games you'll be playing in 2026 and beyond. Heads up, sci-fi gaming fans; our ...

In April, during Jared Isaacman's first nomination hearing for the post of NASA administrator, the Democratic senator from Massachusetts asked repeatedly if SpaceX founder and CEO Elon Musk was in the ...