Orbiting in reverse around Neptune, Triton is a cosmic rebel with a secret past. This video dives into the evidence that suggests this giant moon was not born around the blue planet but was violently ...

The journey of Voyager I and II beyond the orbit of Neptune. “I’m the Crazy One in Our Relationship..." Chrissy Teigen on ...

How many exoplanets orbit two stars? This is what a recent study published in The Astrophysical Journal Letters hopes to ...

About 880 light-years from Earth, a hot mess of an exoplanet is slowly spilling its atmosphere into space, creating two ...

The world's most expensive infrared spectrometer - the James Webb Space Telescope - is unearthing extraordinary exoplanet ...

For the first time, scientists have continuously monitored a planet's escaping atmosphere over a complete orbit, revealing ...

A network of powerful ground-based telescopes captured rare starspot-crossing events on TOI-3884b, revealing cooler patches ...

Studied by astronomers for a brief moment, the C/2025 K1 ATLAS comet was spotted by telescopes as it split, providing a ...

As 2025 winds down, change is already in the air. Stoic Saturn and spiritual Neptune are both wrapping up long journeys ...

A NASA spacecraft is making a close approach to the sun, repeating its record-breaking distance of 3.8 million miles from the ...

Astronomers have spotted an intriguing cluster of objects in the Kuiper belt, the enormous, donut-shaped region of icy objects beyond the orbit of Neptune. This latest “inner kernel” was identified by ...

I do so love an ostentatious comet. As I wrote in a recent “The Universe” column, when these dusty ice balls are billions of kilometers from the sun, they’re frozen solid. But as they near our star on ...