Sky & Telescope

New observations from the James Webb Space Telescope might have caught the signature of the universe's first stars.

The post Catching the Earliest Stars in the Universe appeared first on

The Moon occults Regulus in twilight or bright afternoon for most of North America. Venus lines up between Aldebaran and the Pleiades. Sirius nears its heliacal setting.

The post This Week's Sky at a Glance, April 24 – May 3 ap...

The James Webb Space Telescope has taken a deep look at the rings around the ice giant Uranus and found a new mystery to be solved.

The post Uranus’s Outermost Rings Are Made of Two Different Things appeared firs...

NASA has announced that the Nancy Grace Roman Space Telescope is all set for a September launch.

The post The Nancy Grace Roman Space Telescope Is Ready to Fly appeared first on

The Proba 3 mission flies two spacecraft in precise formation to create an artificial eclipse and obtain close views of the solar wind as it leaves the Sun.

The post Sun-Observing Satellite Uses Arti...