A naked-eye star’s 50-year mystery is solved—its bizarre X-rays come from a hidden, feeding white dwarf.
The flight will take 4 days to get to the Moon and another 4 days to return with a splashdown in the Pacific Ocean.
A luminous swirl set against the deep black of space, the barred spiral galaxy IC 486 glows with a soft, ethereal light in ...
Look to the skies this weekend!
Nearly a millennium ago, astronomers witnessed a brilliant new star blazing in the sky—a supernova so bright it was visible ...
Astronomers combined Hubble's small-scale details of stellar death with Euclid's wide view of cosmic environments to take a ...
Two telescopes have captured images of the Cat's Eye Nebula, revealing how a dying star shed layers of material in violent ...
Surprise, it's twins.
A new study proposes an innovative way to uncover elusive supermassive black hole binaries by tracking subtle, repeating ...
Comet MAPS could soon become as bright as Venus, offering a once-in-a-decade spectacle for the naked eye. Here is what to ...
Yet another meteor has entered the Earth's atmosphere, this time in Oregon. Watch the "fireball" briefly illuminate the ...
Like tiny photobombers, cosmic anomalies resembling small, bright red points show up in almost every snapshot taken by the ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results