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Physics-breaking 'rogue' objects spotted by James Webb telescope are emitting radio signals that scientists can't explain
By Abha Jain published
A bizarre object discovered by the James Webb Space Telescope may be a pair of 'rogue' planets ― but a new study finds they are emitting radio signals rarely seen from other worlds.
2-mile-thick layer of frozen water found buried at Mars' equator
By Keith Cooper published
The Mars Express orbiter has detected enough water ice buried beneath the Red Planet's equator to cover the entire planet in a shallow ocean if melted.
5 Earth-like worlds may lurk in the outer reaches of the solar system, simulations suggest
By Deepa Jain published
The young sun may have captured several Mars- or Mercury-size exoplanets that now orbit in the outer reaches of the solar system, but identifying them will be extremely challenging.
Which planet is closest to Earth? (Hint: There's more than 1 right answer.)
By Harry Baker published
It may initially seem like a simple question, but determining which planet is closest to Earth is surprisingly tricky and can have multiple correct answers.
Mysterious 'magic' islands that come and go on Saturn's moon Titan finally have an explanation
By Briley Lewis published
Bright spots that appear and vanish on Saturn's moon Titan have a seemingly simple explanation — they're floating chunks of frozen organic material.
Wispy ice clouds may form above Venus' hellish surface
By Robert Lea published
The surface of Venus is a hellscape with temperatures hot enough to melt lead, but some regions of its atmosphere high over the surface remain cool enough to harbor ice and birth ghostly clouds.
Space photo of the week: An eerie look at Io, the most volcanic world in the solar system
By Jamie Carter published
In our favorite space image of the week, NASA's Juno spacecraft got an unprecedented look at Jupiter's volcanic moon Io from just 930 miles away.
Scientists have a new way to find oceans — and possible alien life — on distant planets
By Ivan Paul published
Scientists have proposed a new technique to help researchers identify oceans on exoplanets — a key step to finding life outside our planet.
Neptune isn't as blue as you think, and these new images of the planet prove it
By Robert Lea published
A new treatment of images collected by Voyager 2 in the late 1980s using data from the Hubble Space Telescope has revealed the actual colors of the solar system's distant ice giants, Neptune and Uranus.
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