New models suggest that Ceres, the asteroid belt's largest object, once had a radioactive core that could have sustained life in the dwarf planet's hidden subsurface ocean billions of years ago.

At the moment, 3I/ATLAS is outgassing as it reaches out sun, with the JWST and NIRSpec finding that carbon dioxide, water, ...

Astronomers have discovered a brand new type of planet outside our solar system that, even in its infancy, is already bigger ...

Called 3I/ATLAS, the comet is only the third of its kind known to astronomers, and it’s likely been heading our way for billions of years, carrying pristine material from another star system ...

A first-of-its kind AI-powered model attempts to better predict space weather and its impacts. The model — called Surya, for ...

Scientists are trying to learn as much as they can about our third ever discovered interstellar visitor, 3I/Atlas, as it ...

Two more of NASA's space telescopes got another look at comet 3I/ATLAS, an interstellar interloper that captured the world's ...

Transmissions between Earth and our own spacecraft could tell us where to look for potential alien transmissions.

NASA is tracking a mysterious, fast-moving object entering our solar system, raising questions about whether it's just a ...

An unusual interstellar visitor speeding through our solar system was recently spotted by the powerful eye of NASA’s James ...

NASA's $10 billion space telescope studied the third interstellar object to enter the solar system, measuring the chemical ...