An alternate explanation that fits the evidence is that Vesta was once part of a planet – but which planet that might been ...

In May 2024, powerful solar activity triggered jaw-dropping northern lights much farther south than usual, turning the sky ...

Not only is it difficult to understand what goes on beyond the limits of the solar system that our planet calls home, the ...

Webb Telescope Captures Its First Direct Images of Carbon Dioxide Outside Solar System Mar. 17, 2025 — The James Webb Space Telescope has captured its first direct images of carbon dioxide in a ...

A ninth planet the size of Neptune may be hidden in the far reaches of the solar system, but the evidence has left some experts skeptical.

"Space weather impacts can have the same symptoms as a cyberattack, where systems will be brought down, or lockup, or ...

The massive University of Arkansas solar project moves forward, but questions abound on the federal funding promised to the ...

Analyzing gravity data collected by spacecraft orbiting other worlds reveals groundbreaking insights about planetary ...

For decades, astronomers have discovered hundreds of protoplanetary disks—structures believed to represent the early stages ...

Astronomers used the Hubble Space Telescope to image "peculiar" galaxy Arp 184 (NGC 1961) about 190 million light-years away.

Mar. 27, 2024 — Scientists captured images showing the development of turbulence as a Coronal Mass Ejection (CME) interacted with the ambient solar wind in the circumsolar ... The Hottest ...