New research suggests that a binary pair of Kuiper Belt objects, known as the Altjira system, is actually made up of three ...

Mar. 11, 2025 — A new study presents a compelling new model for the formation of super-Earths and mini-Neptunes -- planets that are 1 to 4 times the size of Earth and among the most common in ...

Powering spacecraft with solar energy may not seem like a challenge, given how intense the Sun’s light can feel on Earth.

Pictures may enliven us, but other data, such as information about magnetic fields, add a huge amount to our understanding of ...

New Horizons’ biggest challenge was covering the distance from Earth to Pluto and ensuring the probe ... a ship that could get them anywhere in Solar System. With one problem.

This place just made TIME's list of World's Greatest Places of 2025 and Newsweek's 10 best science museums in the U.S. Here's ...

This is the fourth comet Gröller has discovered, but given its extraordinary distance, it was the most exciting find, he says ...

A newly identified Kuiper Belt trio, possibly only the second of its kind, could provide strong evidence that these distant ...

Satellites come in all shapes and sizes, but there aren't any that look quite like SPHEREx, an infrared observatory NASA ...

Defy gravity with out-of-this-world space trivia collected from the National Aeronautics and Space Administration ...

Saturn was already the reigning champion in the moon department. Now, with 274, Saturn has more moons than all the other ...

The SPHEREx telescope will create the most colorful map of the cosmos, while the four satellites of the PUNCH mission track ...