Fleets of satellites interfere with snapshots taken by Earth-bound observatories. But a new study suggests these orbiters ...

NASA's next big eye on the cosmos is now fully assembled. On Nov. 25, technicians joined the inner and outer portions of the ...

A rare confluence of factors makes the Atacama an ideal home for some of the world’s biggest astronomical projects – dry ...

Astronomers using the Subaru Telescope in Hawaiʻi have discovered a massive planet and a brown dwarf orbiting distant stars.

But the Big Bang theory predicts that about 5% of the universe’s contents should be atoms made of protons, neutrons and electrons. Most of those atoms cannot be found in stars and galaxies – a ...

Skywatchers will have a lot to look at in the night skies over Alabama in December. A super moon, a meteor shower and a comet ...

Get your coat, grab a warm drink, and step outside. The December night sky brings a spectacular lineup of planets, meteors ...

Discover the brightest planets in the December 2025 night sky, including Jupiter and Mercury, and know the best times to see ...

New high-contrast images from SPHERE show a stunning variety of debris disks shaped by collisions of tiny planet-building ...

As the night grows long and the winter solstice approaches, there’s a host of astronomical events to watch out for, including ...