Now is the time to look for noctilucent clouds — shimmering ice clouds that glow near the edge of space.

And China plans to refly the booster by the end of the year. When you purchase through links on our site, we may earn an ...

We're potentially just days away from the next Starship launch. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Some of these particles date back to the beginning of When you purchase through links on our site, we may earn an affiliate ...

Night Sky This Week. Discover this week's must-see night sky events, moon phases, and stunning astrophotos. Sign up for our skywatching newsletter and explore the uni ...

"The worst-case scenario consists of four astronauts on the moon at one time, only one month resupply window between Earth and moon, and moderate to high adverse environmental probabilities." ...

"This is key to making sure we have free and fair elections." ...

"Her story will continue to inspire generations of future explorers. Fly Wally, Fly." ...

"These early quasars date back to the universe's infancy." ...

"Allowing a million orbiting data centers with no environmental review isn’t just irresponsible — it’s reckless." ...

Liftoff is scheduled for 5:25 a.m. ET on Thursday (July 9).

ESA's Rosalind Franklin rover will investigate possible signs of life in Martian clay. When you purchase through links on our ...