The newly identified three-body system has a problem, and it’s not aliens—it’s that in about 20 million years, the stars are ...

The James Webb Space Telescope has observed a distant cosmic explosion that erupted in the early universe called "supernova ...

The first 18 satellites of a planned Chinese mega constellation are brighter than all but 500 stars in the sky, raising fears ...

Second-gen Starlink satellites, launched by SpaceX, leak 30 times more radio interference, according to radio astronomers.

Scientists discovered that Barnard’s Star wobbles a full 20 inches (50 cm) per second — five times Earth’s effect on the Sun ...

Picture walking outside on a dark, cloudless evening. You look up to admire the stars—maybe even a planet, if you're ...

The comet will be visible in the Northern Hemisphere in the evening, just after sunset, when it is low in the southwestern ...

My recent visit to Berlin for a planetary science conference coincided with Berlin Art Week. The exhibitions were mostly ...

Thanks to the James Webb Space Telescope, scientists have captured the first images of a planet in outer space with ...

The terminator sweeps across the Moon, Comet Tsuchinshan-ATLAS continues to wow, and Jupiter reaches a stationary point in ...

Years ago, astronomy professors started noticing something that troubled them: Many of their students didn't understand ...

Astronomers spotted a potential Earth-size rocky world orbiting a white dwarf, suggesting a future in which our planet outlives its star. By Jonathan O’Callaghan Two astronauts — one ...