Some meteors leave trails that last up to an hour. Now we can know why
To leave a lasting trail, meteors must aim downward. A new study of shooting stars shows that meteors that blaze…
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Scientists want to send endangered species to the moon
As more and more species come close to extinction, scientists have been collecting samples of animals, plants and other creatures…
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X-rays from nuclear explosions can protect Earth from asteroids
An asteroid heading toward Earth can be deflected without ever touching a spacecraft. The trick is to use X-rays to…
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How to spot tiny black holes that might pass through the solar system
Black holes about the size of a hydrogen atom could be careening through the solar system unnoticed. But their days…
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In an epic cosmological clash, rival scientists begin to find common ground
The biggest conundrum in cosmology may be closer to being solved, thanks to the James Webb Space Telescope. Scientists disagree…
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Starlink satellites’ leaky radio waves obscure the cosmos
While SpaceX’s Starlink satellites are enabling internet access and cell phone communications around the globe, they’re also posing a threat…
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The nearest middle-aged black hole could be a crowd of lightweights
Contrary to a previous report, there is no evidence for an intermediate-mass black hole in Omega Centauri, the Milky Way’s…
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Betelgeuse has a tiny companion star hidden in plain sight
Betelgeuse, Betelgeuse! The red supergiant that marks Orion’s left shoulder may have a tiny, unseen companion. Two independent studies found…
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Meet Porphyrion, the largest pair of black hole jets ever seen
The opposing fountains of plasma and particles spanning 23 million light-years are the longest pair of black hole jets ever…
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Barnard’s star has at least one planet orbiting it
A red dwarf star known as Barnard’s Star, located just six light-years from our solar system, has at least one…
