New Hubble images reveal a bizarre decagon over Saturn’s south pole
A hexagon darkens the clouds over Saturn’s north pole. Now, astronomers have found a similarly shaped atmospheric wave at the other pole. More
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The universe may have been building rocky planets almost from the start
Simulations suggest rocky planet building blocks could have formed just 100 million years after the Big Bang. More
NASA’s new space telescope will reveal the universe like never before
NASA’s new Nancy Grace Roman space telescope will tackle nearly every aspect of astrophysics, including dark matter, dark energy and alien planets. More
A space telescope was falling from orbit. Its rescue mission fell apart too
NASA’s attempt to save the falling Swift telescope failed, revealing the realities of the burgeoning field of satellite servicing. More
Microbes might get freeze-dried on the moon’s south pole
Artemis IV will put people on the moon’s surface for the first time in 50 years. NASA research reveals the microbes that might hitch a ride. More
A record-breaking star could reveal how the Milky Way’s giant black hole spins
The star passes very close to the Milky Way’s supermassive black hole and could reveal the black hole’s spin by tracking how it warps the star’s orbit. More
The largest known galaxy is wider than 17 Milky Ways
Scientists have identified the edge of galaxy IC 1101 and crowned it with the title of largest known galaxy. More
These tiny swirls on the sun could trigger solar flares
Scientists have finally seen a long-predicted motion on the sun, and it may help explain explosive solar activity. More
New images reveal Betelgeuse’s buddy star
A century of hints has suggested the famed red supergiant had a star pal but seeing it amid Betelgeuse’s brightness has been hard — until now. More
