Space
This cosmic oddity blurs the line between planet and moon
The object orbits a brown dwarf that orbits a star. Astronomers aren’t sure if it’s a planet, a moon — or something else entirely.
Planets
More Stories in Planets
- 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.
- Planets
Let’s learn about Venus
Venus’ surface is hot enough to melt lead, studded with volcanoes and shrouded in clouds of corrosive acid.
- 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
35 years on, Hubble continues to revolutionize astronomy
The Hubble Space Telescope is an icon in astronomy. Here are some of its most out-of-this-world images.
- Space
A new dwarf planet may skirt the edge of our solar system
For the distant object, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical “Planet Nine.”
- Planets
Here’s how future Martians might take their first breaths
Mars would need an atmosphere thick enough to hold heat and with enough oxygen for people to breathe. This is how we might terraform Mars.
