NASA’s Webb telescope spotted a new moon orbiting Uranus
It’s the planet’s 29th identified moon
A dying star revealed its heart
It’s the first observation of an innermost shell of a massive star
The oldest known black hole formed more than 13.3 billion years ago
The body and its surroundings make up one of the little red dots seen by the Webb telescope
Cosmic rays could, in theory, sustain life on other worlds
The radiation can break underground water into an ingredient for life-giving energy
A giant planet may orbit our closest sunlike neighbor
The Webb telescope spotted the planet candidate near Alpha Centauri A
Seven superclouds sit just beyond the solar system
Most likely parents to star-forming gas clouds, they’re the sun’s largest neighbors
The Webb space telescope spies its first black holes snacking on stars
The celestial bodies sit in dusty environments that block most other telescopes’ views
Two colliding galaxies may have birthed this black hole
The growing giant contains the mass of 1 million suns
This star offers the earliest peek at the birth of a planetary system like ours
The surrounding gas and dust might be producing the first bits of planets
New Horizons visited Pluto 10 years ago. We’re still learning from it
It's the only spacecraft that has flown by the distant dwarf planet
Nearly half of the universe’s ordinary matter was uncharted, until now
Much of it resides in strings of hot gas between galaxies
A rare chance to see two exploding stars is happening in the southern sky
The Milky Way stars are in two Southern Hemisphere constellations
Two spacecraft created their first images of an artificial solar eclipse
The Proba-3 mission focuses on the corona, the sun’s mysterious outer atmosphere
Distant nebulae star in one of the first images from the Rubin Observatory
The facility will scan the entire southern sky every few nights
Black hole–shredded megastars power a new class of cosmic explosions
Each explosion releases more energy than the sun will produce in its entire lifetime
Here’s how a collision of star remnants launches a gleaming jet
An enlarged magnetic field plays a crucial role
A possible new dwarf planet skirts the solar system’s edge
The faraway object travels in a weird, wide orbit
A private Japanese spacecraft failed on its way to the moon’s surface
A lost signal marks the second imperfect attempt at a lunar landing for Tokyo-based company ispace