Take some time to point binoculars or a telescope at open cluster NGC 457, which lies in the constellation Cassiopeia. You’ll first notice a pair of bright stars that give this deep-sky object the ...

Anyone who has developed an interest in stargazing has certainly heard of the Messier and NGC catalogs. These publications ...

Venus lingers after sunset, Saturn and Neptune reach opposition, and Mercury makes its best morning appearance in the ...

Over decades of observations across a broad range of wavelengths, M31 has unlocked our understanding of the vastness of the ...

Find out what the latest and greatest books, telescopes, accessories, and other products in astronomy are this month.

Waves that ripple through the solar wind may be the key to solving a decadeslong mystery, according to an analysis of ...

Scientists first detected Ganymede’s aurorae from oxygen emissions approximately 20 years ago. The oxygen molecules are ...

The Event Horizon Telescope (EHT) was designed to capture images of some of the most gargantuan structures in the universe — ...

The private Polaris mission aims to go farther from Earth than we've been in decades and accomplish the farthest ever EVA ...

Mercury reaches greatest western elongation, the zodiacal light shines, and the Moon passes Spica in the sky this week.

When NASA announced Aug. 24 that Boeing Starliner astronauts Barry “Butch” Wilmore and Suni Williams will remain in space ...

A team of researchers has used the James Webb Space Telescope (JWST) to discover six likely rogue planets. Such objects have ...