Caves on the moon are target of new NASA mission

NASA is searching for caves on the moon. A new mission, GIMLI, will land near the volcanic Marius Hills Pit to look for a subsurface lava tube. Will it find one?

2nd-generation planet: Was this world born around a dead star?

Astronomers might have found a new 2nd-generation planet orbiting a white dwarf star. It could also help answer a "cold case" mystery about the white dwarf.

Space is getting crowded. Here’s the latest satellite report

ESA reports on the state of low-Earth orbit. The number of satellites in orbit is skyrocketing, along with the chance for collisions and on-ground casualties.

Planetary systems fall into 2 distinct families, astronomers say

Astronomers studying planetary systems in the Milky Way have found they can be sorted into 2 families. These families are largely determined by the host star.

NASA’s Perseverance rover on Mars sets off-world driving record

The Mars Perseverance rover has set a new distance record on Mars. It has driven 28.10 miles (45.22 km) across the surface of the red planet.

Weirdest cloud on Mars formed via ‘exotic physics’

The weirdest cloud on Mars has a funny-sounding name. Scientists call it the Arsia Mons Elongated Cloud. Come find out what's weird about it!

Another satellite breakup raises concerns about space junk

An inactive Soviet weather satellite has broken apart above Earth. The satellite breakup has added tens of debris fragments to an already crowded low-Earth orbit.

Did formaldehyde on ancient Mars help kickstart life?

Formaldehyde in the ancient rains on Mars might have provided crucial chemical reactions needed for life to begin on the red planet billions of years ago.

Black holes could have planets, new simulations suggest

New simulations by 2 astrophysicists suggest that supermassive black holes could have planets orbiting them, much like planets orbit stars.

Solar system’s most bizarre moons! Take the tour

The solar system’s most bizarre moons reveal active, complex worlds that continue to surprise scientists. Are any of them harboring life?