Featured by Charles Q. Choi
Fifty-foot-tall ice spikes might make it hard to land on Europa
There's still a lot to learn about the surface of Jupiter's moon
Astronomers think they’ve found a moon the size of Neptune in a distant star system
It could be the largest moon we’ve ever seen
A tiny galaxy almost collided with the Milky Way and astronomers can see the effects
A galactic near-miss.
Jupiter’s magnetic field has two ‘south poles’
It's completely different from Earth
Before Jupiter got huge, it had a pretty messed up childhood
Pebbles and planetesimals pummeled the planet's early surface
Mars has tons of newly discovered water in a 12-mile-wide reservoir
Buried under an ice cap, the water is so deep scientists couldn't probe to the bottom.
Cosmic collisions with their neighbors may have weighed these white dwarfs down
Two stars enter, one star leaves
It’s rude to ask a galaxy’s age. Luckily, its shape offers a clue.
Younger galaxies appear flatter than their more well-rounded elders
What’s Inside Proxima Centauri B, Our Nearest Exoplanet Neighbor
The closest potentially habitable planet has an intriguing interior
Hundreds Of Black Holes May Nestle Together In Our Galaxy
A spectacle previously thought impossible