Jared Isaacman will lead NASA as it sends astronauts around the moon and hopes to launch a space telescope to study dark ...

If you thought 2025 was an exciting year for spaceflight, just wait until 2026. Here's a look at six missions that could ...

The James Webb Space Telescope has been helping scientists explore the cosmos for years now, but there are still plenty of ...

NASA has completed assembling the Nancy Grace Roman Telescope, a powerful infrared observatory set to scan vast cosmic regions, raising anticipation about what it may soon uncover about dark energy ...

Astronomers may have uncovered a massive hidden planet far beyond Neptune, using decades-old infrared data. The object’s ...

In Part 2 of his story, Benita Albert tells of astronomer Bob Benjamin's career, including teaching and now being a NASA consultant.

Fourth anniversaries aren’t often causes for celebration. But in the case of the James Webb Space Telescope (JWST), which ...

Dec. 19 (UPI) -- Comet 3I/ATLAS passed its nearest point to Earth early Friday and approaching within 168 million miles.

It was a Christmas morning like no other, that mid-pandemic day in 2021. True, there were the usual living-room delights: the ...

Humanity has sent into space everything from lightsabers and Tesla Roadsters to golden records and entire digital genetic ...

From an interstellar comet to breathtaking auroras and from brand-new rockets to iconic space telescopes, here are some of our favorite images from the cosmos in 2025 ...

A year-end recap of 2025 in space, covering NASA leadership changes, space policy, major missions, scientific discoveries and key events across orbit and beyond.