In November, SETI Institute researchers contributed expert perspective to media stories on interstellar comet 3I/ATLAS and ...

Our fundamental understanding of Neptune and Uranus may be completely wrong, say researchers rethinking our solar system.

The Sun has begun its red giant phase, expanding like an overheated plasma-filled balloon. It's about to consume Mercury, ...

Near perihelion 3I/ATLAS exhibits non-gravitational acceleration, which requires massive evaporation for a natural comet (as ...

Venus was over Marcus and Kim’s antics. The post Vanderpump Rules Season 12 Episode 3 Recap: The Friendship Throuple Was No ...

The December new moon, which falls on December 20 in 2025, attracts the attention of both astronomers and representatives of ...

MAVEN (short for "Mars Atmosphere and Volatile Evolution") has been silent since Dec. 4, despite repeated efforts to hail the ...

There are about 15,000 satellites orbiting Earth. Most of them, like the International Space Station and the Hubble Telescope ...

As the world's largest radio/radar telescope when it was commissioned in 1963, the Arecibo Observatory saw countless firsts, from revealing the ...

Carl Sagan famously said that "We're all made of star stuff." But he didn't elaborate on how that actually happened. Yes, ...

After less than a year in orbit, the Southwest Research Institute-built PUNCH spacecraft have made major accomplishments, ...

The Earth's magnetic field and oxygen evolved together over 540 million years, according to a major NASA study.