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Record-breaking ancient spinning galaxy challenges cosmic evolution theories
By Robert Lea published
Astronomers have discovered the earliest strongly rotating galaxy ever seen that's well-organized rather than chaotic, challenging theories of cosmic evolution.
The biggest supermoon of the year is about to rise: When to see the 'Hunter's Moon' at its best and brightest
By Jamie Carter published
The Hunter's Moon will be the first full moon of autumn when it rises on Oct. 17. It will also be the third and closest supermoon of the year.
Space photo of the week: See the gorgeous Rosette Nebula — before it destroys itself
By Jamie Carter published
The Dark Energy Camera imaged the Rosette Nebula, capturing a kaleidoscope of color created by the star cluster born within it.
'Severe' solar storm that hit Earth Thursday could be 'global phenomenon' with auroras as far south as California
By Brandon Specktor last updated
A powerful solar outburst hit Earth Thursday, triggering a "severe" geomagnetic storm. Auroras could be visible as far south as California and Alabama, NOAA predicts.
32 things on Mars that look like they shouldn't be there
By Brandon Specktor published
The more scientists study the Red Planet, the more they find unusual objects and patterns scattered across Mars' surface. Here are some of the most baffling.
Scientists discover bright 'sungrazer' comet that could be visible with the naked eye this month — after Tsuchinshan–ATLAS
By Harry Baker published
Newfound comet C/2024 S1 will light up Earth's skies in late October before a super close slingshot around the sun.
NASA's exoplanet hunter TESS spots a record-breaking 3-star system
By Robert Lea published
Using NASA's exoplanet-hunting spacecraft, TESS, astronomers and citizen scientists have discovered a record-breaking system of three tightly bound stars that could fit between the sun and Mercury.
Why NASA is sending the Europa Clipper to search for aliens near Jupiter
By James Lloyd published
In the coming weeks, NASA's Europa Clipper will take off on a long journey to Jupiter's moon Europa. The icy moon could potentially host alien life — and there's only one way to find out.
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