Interstellar comet 3I/ATLAS is up to 12 billion years old and unlike anything found in our solar system, new James Webb Space Telescope (JWST) observations suggest. Comet 3I/ATLAS became a celestial ...

What can a piece of debris from another star tell astronomers about planets they may never see directly? The answer has changed dramatically since the first confirmed object from another star crossed ...

Iran targeted commercial ships, Dubai International Airport and Gulf oil facilities as regional fighting intensified with ...

Sandra Hüller also stars in Phil Lord and Christopher Miller’s sci-fi epic based on the Andy Weir novel about a science teacher who finds an unusual ally in a mission to save two worlds.

On 12 August 2026, a total solar eclipse will be visible from Greenland, Iceland and northern Spain, making it the first to pass over mainland Europe since 1999. Our stories cover all you need to know ...

Using the Transiting Exoplanet Survey Satellite (TESS) and High Accuracy Radial velocity Planet Searcher for the Northern ...

For no explainable practical reason, humans are enamored with – and even empathetic toward – specific inanimate objects. Our ...

If you examine our solar system’s giant planets, you’ll notice right away that they’ve all got moons—a lot of moons. While ...

Although astronomers have found thousands of exoplanets, the number of confirmed exomoons—and exorings—is still zero. But ...

On Monday night, someone placed a peculiar bet on the prediction market Kalshi. At 7:45 p.m. eastern time, a single trader put down nearly $100,000 on the claim that, by the end of December, the Trump ...

Defense Secretary Pete Hegseth speaks during a visit to Sierra Space in Louisville, Colorado, on Feb. 23, 2026. Defense Secretary Pete Hegseth speaks during a visit to Sierra Space in Louisville, ...