Astronomy

Scientists think geysers on Saturn's moon Enceladus might come from a "mushy" zone of ice along the world.

Aurora chasers are on high alert for possible geomagnetic storm conditions from March 4 to March 5. Northern lights possible at mid-latitudes.

Encryption would normally be expected to slow down computation, but applying the tools of cryptography to "trick" an algorithm can actually make it work faster

Encryption would normally be expected to slow down computation, but applying the tools of cryptography to "trick" an algorithm can actually make it work faster

Scientists have been wondering about auroral electrojets for a long time. This mission could change how we understand them.

NASA is now launching its SPHEREx and PUNCH space missions on March 6 at 10:09 p.m. ET.

Why are there so many bright blue stars?

SpaceX called off today's (March 3) planned Starship Flight 8 launch after several issues with the vehicle cropped up during the countdown.

Firefly Aerospace's Blue Ghost lander has captured a gorgeous shot of sunrise on the moon as it begins its workday on the lunar surface.

DARPA scientists are exploring ways to grow massive biological objects, such as telescope antennas or huge nets to snag debris, in space

Stuart Levenbach alarmed scientists years ago when he attempted to meddle with a congressionally mandated climate report

Meet the Artemis 2 moon mission astronauts and learn about private lunar landers, space telescopes and the "dark universe" at SXSW 2025.

When a fan of a cult anime series wanted to watch its episodes in every possible order, they asked a question that had perplexed combinatorial mathematicians for years

Popular culture paints going “no contact” as the best way to deal with hard family relationships. But it’s not always the right choice

In this news roundup, we cover outbreak updates, microbes in space and a brain turned to glass.

Astronomers at the International Astronomical Union report that we have now detected more than 200 gravitational-wave events, most the merger of two black holes.

The post Status Report: Gravitational Waves appeared first on Sky & Telescope.

The Perseids peak on Sunday night, August 11-12 and just might be joined by a colorful display of northern lights. 

The post Tonight's Perseid Meteor Shower May Be Dipped in Aurora Sauce appeared first on Sky & Telescope.

It's time again for the annual August meteor-shower fest, the Perseids. This year's display should be a beauty with only minor moonlight and a special surprise at dawn.

The post Woo-hoo — The Perseid Meteor Shower Is Coming! appeared first on Sky & Telescope.

The Perseid meteor shower peaks late Sunday night August 11th and maybe Monday night too. Jupiter and Mars have a close conjunction on the morning of the 14th, looking radically different in the same telescopic view.

The post This Week's Sky at a Glance, August 9 – 18 appeared first on Sky & Telescope.

The year’s long-awaited Perseid meteor shower will be accompanied by a graceful planetary conjunction. It’s well worth staying up all night to watch.

The post Prepare for the Perseids and a Pretty Planetary Pairing appeared first on Sky & Telescope.