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

Intelligence findings seen by The Associated Press say the weapon could release pellets to disable multiple satellites.

Astronomers discovered a new moon of Uranus and hundreds of moons around Saturn over the past year, and there may be many ...

The International Space Station (ISS) is humanity's most expensive object and has been in orbit for 25 years. Read its fascinating history, told in 25 numbers.

Pluribus imagines Kepler-22b as an ocean world that sends a gift to humanity through radio waves. In real life, no such ...

Scientists from several institutions, including the University of Chicago, discovered a lemon-shaped planet with an ...

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

One of the primary goals of the James Webb Space Telescope (JWST) is to detect atmospheres around exoplanets, to try to suss ...

In August 2026, a total solar eclipse will be visible over parts of Spain, Portugal, and a large chunk of the Atlantic and ...

"I think every astronomer is going to find something of value here, as NASA's missions enable the world to answer fundamental questions about how the universe got its start, and how it changed to ...

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 will reach its dazzling peak this evening, sending bright fireballs flashing through the sky.