The Subaru Telescope just made its 1st discoveries: a ‘failed star’ and an exoplanet
Check out the first findings from the Subaru Telescope.
One of the most promising Earth-like worlds may not have an atmosphere after all
New simulations suggest TRAPPIST-1e's possible methane atmosphere may be a false signal from its star, raising fresh questions about the planet’s habitability.
Scientists discover cosmic ‘scar’ in interstellar clouds left by a close shave between our sun and 2 intruder stars
"It’s kind of a jigsaw puzzle where all the different pieces are moving."
Uranus’s small moons are dark, red, and water-poor
…Except for Mab, which is even weirder than expected.
Sun unleashes intense X-class solar flare, triggering radio blackouts across Australia
The powerful X1.1 solar flare from sunspot region 4298 sparked strong radio blackouts on the sunlit portion of Earth at the time of eruption.
Space.com headlines crossword quiz for week of Dec. 1, 2025: What is the name of December’s supermoon?
Test your space smarts with our weekly crossword challenge, crafted from Space.com's biggest headlines.
NASA spacecraft tracks comet SWAN in incredible 40-day timelapse — and even glimpses interstellar invader 3I/ATLAS (video)
NASA imaged Comet C/2025 R2 (SWAN) every four minutes for nearly 40 days, marking the longest any comet has been tracked with such frequency.
Scientists capture 51 images showing exoplanets coming together around other stars: ‘This data set is an astronomical treasure’
The Very Large Telescope's SPHERE instrument captured unprecedented images of 51 dusty rings shaping young planetary systems.
Mars orbiter sees ‘butterfly’ crater spread its wings on the Red Planet
A new view of Mars showcases a dramatic impact crater on the Red Planet with its debris wings unfurling across the surface like a butterfly in flight.
Seeing a bull’s-eye in the desert | Space photo of the day for Dec. 5, 2025
Is this really a crater in the Saharan Desert?