Do hycean worlds have smaller habitable zones
Hycean worlds are also called ocean worlds.
They're planets covered in oceans that also have thick hydrogen atmospheres. There are no confirmed Hycean worlds—also called...
Who’s in charge when an asteroid heads for Earth?
An asteroid crashing into Earth may sound like the stuff of science fiction, but experts warn it’s a real threat—and we may not be...
Thick clay layers on Mars may hold clues to ancient life
Mars may seem like a dry and lifeless planet today, but billions of years ago, it was much wetter—and possibly more welcoming to life.
A...
Scientists create Milky Way twins to unravel dark matter secrets
Scientists have created digital “twins” of our Milky Way galaxy to investigate one of the biggest puzzles in the universe: dark matter.
This invisible substance...
Cosmic clues reveal where the universe’s missing matter was hiding
For decades, scientists have been searching for something strange: a huge portion of the universe’s ordinary matter seemed to be missing.
Not dark matter, but...
New NASA telescope could reveal hidden clues about dark matter
Next year, NASA’s Nancy Grace Roman Space Telescope is set to launch—and scientists believe it could change everything we know about dark matter, the...
Planet factories may be running on empty sooner than we thought
A new international study has revealed that planet-forming disks around young stars lose their gas much faster than their dust, challenging long-standing ideas about...
NASA’s Hubble uncovers a dusty mystery on Uranus’s moons
Scientists using NASA’s Hubble Space Telescope set out to study how Uranus’s magnetic field interacts with its largest moons—but instead, they stumbled upon a...
Stunning new image reveals baby stars hidden in dark cloud
A new image taken by the powerful Dark Energy Camera (DECam) has revealed a breathtaking view of one of the closest star-forming regions to...
How tiny dust grains become planets: A new clue from the cosmos
Scientists have just made an exciting discovery that helps explain one of the biggest mysteries in astronomy—how planets like Earth begin to form.
Using the...