
The Eta Aquarid meteor shower peaks tonight—here’s how to get the best view
This annual meteor shower occurs as Earth passes through the dusty debris left behind by Halley’s Comet as it journeys around the sun

The Eta Aquarid meteor shower peaks tonight—here’s how to get the best view
This annual meteor shower occurs as Earth passes through the dusty debris left behind by Halley’s Comet as it journeys around the sun

What is the Kardashev scale, and can we climb it?
The Kardashev scale is an interesting but flawed gauge of a civilization’s growth


Astronomers puzzle over early origins of mysterious ‘red monster’ galaxy
Researchers are perplexed by a galaxy that seems too large and too dusty for its place in cosmic history, less than a half-billion years after the big bang

See the iconic Sombrero Galaxy in stunning new images that reveal its enormous glowing halo
This galaxy, also known as Messier 104, gets its nickname from its central bulge and outer dust trail, which give it a sombrerolike appearance from our vantage point

Buckyballs and a cosmic question mark stun in new JWST imagery of a planetary nebula
New James Webb Space Telescope images could shed fresh light on how dying stars evolve over time

Death by primordial black hole is hard to come by
Subatomic black holes from ancient cosmic history could, in principle, make you have a very bad day. But chances are you’ll never encounter one

NASA’s Roman Space Telescope will begin its revolutionary mission in September
Ahead of schedule and under budget, the Nancy Grace Roman Space Telescope will launch in early September. The mission aims to map the universe in unprecedented detail

The solar system’s first solids formed in a rush
Rather than slowly condensing over millions of years, the first building blocks of Earth and other planets may have formed rapidly in a chaotic disk at the dawn of the solar system

The Lyrid meteor shower is peaking now
The Lyrid meteor shower is peaking from April 21 to April 22. Here’s how to spot this annual celestial light show

What’s the weirdest planet in the solar system?
All the sun’s planets are oddballs. But some are more so than others

Behold! This is the largest, sharpest 3D map of the universe yet
A new map of the cosmos, including more than 47 million galaxies and other cosmic objects, represents one of the most extensive surveys of our universe ever conducted

Secrets of cosmic evolution may lurk in this black hole’s ‘dancing’ jets
A first-of-its-kind observation shows how jets from voracious black holes can shape the growth of galaxies