A ‘cold Earth’ exoplanet just 146 light-years away might be in its star’s habitable zone — if it exists
The planet is one of the best worlds for follow-up studies to determine whether it could be habitable or not.
Neutron star photobombs baby star | Space photo of the day for Feb. 3, 2026
When young stars mix with neutron stars, things get messy.
Bleached Martian rocks offer fresh evidence of a wetter and warmer Mars: ‘But where did they come from?
"You need so much water that we think these could be evidence of an ancient warmer and wetter climate where there was rain falling for millions of years."
AI finds hundreds of never-before-seen ‘cosmic anomalies’ in old Hubble Telescope images
This is the first time humans have laid eyes on these deep space objects.
Sun unleashes extraordinary solar flare barrage as new volatile sunspot turns toward Earth
A rapidly growing sunspot has fired off at least 18 M-class and three X-class flares in just 24 hours, including an intense X8.3 eruption.
James Webb Space Telescope watches distant galaxies form farthest cluster ever seen in the ancient universe (image)
"JADES-ID1 is giving us new evidence that the universe was in a huge hurry to grow up."
A ‘cosmic clock’ in tiny crystals has revealed the rise and fall of Australia’s ancient landscapes
We show how this "cosmic clock" uncovers the evolution of rivers, coasts and habitats.
Space.com headlines crossword quiz for week of Jan. 26, 2026: Which planet may have a July meteor shower?
Test your space smarts with our weekly crossword challenge, crafted from Space.com's biggest headlines.
1.1 million mph cosmic winds race through ‘magnetic superhighway’ in colliding galaxies
Astronomers have discovered powerful magnetic fields steering gas, dust, and star formation in a dramatic galaxy merger.
Comet C/2025 K1 (ATLAS) crumbles apart in stunning new telescope images
The comet broke into pieces after making a close approach around the sun in October 2025.