Space
- Space
Scientists Say: Observable universe
No light will ever reach Earth from beyond this distant horizon of space.
- Space
Do multiple universes exist?
Some branches of physics hint that our universe is just one of many in a vast “multiverse.”
- Planets
Massive underground lava tube found on Venus
A collapsed structure, which turned up in 30-year-old radar data from Venus, may be one of many underground caves.
- Space
Check out some of the best pics from the Artemis II mission
The Artemis astronauts are safely back on Earth. But they immortalized their historic voyage to the moon in these stunning photographs.
- Space
Artemis II just made a historic loop around the moon
The astronauts had a front-row view of the lunar farside and the first eclipse ever seen from the moon.
- Space
Astronauts are flying to the moon aboard Artemis II
This first human trip to the moon in more than 50 years will take four astronauts farther than anyone has gone before.
- Space
Supermassive black holes might trace back to huge, ancient stars
Hefty stars might have collapsed into “intermediate mass” black holes — the building blocks of supermassive ones, a teen’s research suggests.
- Planets
Let’s learn about Venus
Venus’ surface is hot enough to melt lead, studded with volcanoes and shrouded in clouds of corrosive acid.
- Space
Scientists Say: Bolide
It starts as a flash. Then comes the sonic boom. The boldest meteors often go out with a bang.
- Planets
Listen to the crackle of ‘mini-lightning’ on Mars
Scientists suspected Mars had these zaps but had never detected them — until now. NASA’s Perseverance rover recorded them generated by dusty gusts.
- Space
Scientists Say: Spacetime
Weaving together the concepts of space and time allows scientists to understand gravity and more.
- Space
They came from other stars! [COMIC]
Only three interstellar objects have ever been spotted. Here’s what we know about them and why they’re so cool.
