Millions of new solar system objects, now in technicolor!

This video depicts a simulation of millions of small solar system objects that astronomers said the…

This gigantic searing hot exoplanet began its life very cold

View larger. | Artist’s concept of a gigantic hot exoplanet – designated WASP-121b – when it…

Giant planet around tiny star challenges formation theories

An international team of astronomers said on June 4, 2025, that they’ve found a giant planet…

Largest explosions in the universe since the Big Bang

Astronomers have discovered a new type of cosmic explosion they’re calling extreme nuclear transients. They occur…

Why do stars twinkle, but planets do not?

The more atmosphere you are peering through, the more stars (or planets) appear to twinkle. Read…

Galactic collision? Milky Way may not be doomed after all

Watch this video from NASA about the future galactic collision between the Milky Way and Andromeda.…

Unusual star pulsing in X-ray and radio baffles scientists

This video features an interview with Curtin University’s Ziteng (Andy) Wang, the lead author of a…

Weird! Titan’s atmosphere is wobbling like a gyroscope

View larger. | NASA’s Cassini spacecraft captured this view of Saturn’s largest moon, Titan, with another…

Wide-orbit planets support the possibility of Planet 9

Artist’s concept of a planet far from its home star. A new study said that wide-orbit…

Are the TRAPPIST-1 planets water-rich? New study says maybe

View larger. | This artist’s illustration shows the possible surface of TRAPPIST-1 f, one of the…