Astronomy
- Astronomy
50 years ago, pulsars burst onto the scene
Thousands of pulsars have been discovered since the announcement of their detection 50 years ago.
- Physics
Some meteorites contain superconducting bits
Scientists find materials that conduct electricity without resistance in two meteorites.
- Astronomy
Massive stellar flare may have fried Earth’s nearest exoplanet
A massive flare made Proxima Centauri 1,000 times brighter in 10 seconds, dimming hopes that its planet may be habitable.
- Astronomy
Loner gas clouds could be a new kind of stellar system
Weird loner clumps of gas that have wandered for 1 billion years may have been stripped from a trio of larger galaxies.
- Cosmology
Here’s when the universe’s first stars may have been born
The first stars lit the cosmos by 180 million years after the Big Bang, radio observations suggest.
- Astronomy
Watch an experimental space shield shred a speeding bullet
Engineers tested how well a prototype shield for spacecraft would stand up to space debris by shooting it with a solid aluminum pellet.
- Planetary Science
Readers weigh in on human gene editing and more
Readers debated feeling morally obligated to edit their kid's genes and had questions about exoplanets.
- Astronomy
An amateur astronomer caught a supernova explosion on camera
An amateur astronomer has caught a supernova explosion on camera.
- Astronomy
James Webb Space Telescope challenges artists to see in infrared
Astronomy artists face new challenges in translating James Webb’s invisible data into visuals.
- Planetary Science
What will it take to go to Venus?
Undeterred by funding woes, scientists are scraping together ideas to tackle heat, pressure and acidity challenges of landing on Venus.
- Astronomy
Readers ask about supernovas, dark energy and more
Readers had questions about a supernova that continuously erupts, the difference between dark energy and dark matter, and more.
- Astronomy
SpaceX just launched its biggest rocket for the first time
SpaceX just launched the Falcon Heavy — the most powerful rocket since the Saturn V — for the first time.
