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

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

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

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

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

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

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

NASA announced that two space probes proposed by University of Maryland astronomers have advanced to the next round of ...

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 ...

The Sci-Tech Center of Northern New York will host a free public astronomy observing session at 8:30 p.m., Friday Oct. 11 at ...