A planet needs to start with a lot of water to become like Earth
In planet formation, as in poker, you have to play the hand you’re dealt. If an Earthlike planet is the […]
Space
Sulfur was key to the first water on Earth
A chemical element that’s not even in H2O — sulfur — is the reason Earth first got its water, a
Strange observations of galaxies challenge ideas about dark matter
Head-scratching observations of distant galaxies are challenging cosmologists’ dominant ideas about the universe, potentially leading to the implication that the
A stellar explosion may create a temporary ‘new star’ this summer
Keep your eyes on the night sky this summer, scanning for the constellation Corona Borealis, and if you are lucky,
We may finally know the source of mysterious high-energy neutrinos
Supermassive black holes at the hearts of active galaxies may be churning out a lot of the universe’s high-energy neutrinos.
A stellar explosion could create a temporary ‘new star’ this summer
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A medium-mass black hole has been spotted for the first time in our galaxy
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A Dune-inspired space suit turns astronaut pee into drinkable water
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Jupiter’s Great Red Spot may be less than 200 years old
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