Astrophysics

The newfound star S301 orbits the Milky Way’s supermassive black hole so closely that its view of the heavens gets twisted

After a flawless launch, the Nancy Grace Roman Space Telescope is on a mission to solve some of the universe’s biggest mysteries

The Nancy Grace Roman Telescope will probe dark matter and dark energy, discover exoplanets and study stars

Seven Rasmussen, an astrobiologist and author of the new book Cloudy with a Chance of Starships, gives readers a tour of the astonishing science behind modern searches for alien life

NASA’s Roman Space Telescope will open a whole new window on the cosmos. Here are 10 things it’s likely to show us

Astronomers are lining up to leverage NASA’s soon-to-launch Nancy Grace Roman Space Telescope, which boasts capabilities unlike any previous off-world observatory

The more scientists try to understand dark energy, the more its mysteries seem to grow. NASA’s newest space telescope is custom-built to crack the case

The space agency’s Neil Gehrels Swift Observatory, which studied cataclysmic cosmic explosions, is expected to burn up in Earth’s atmosphere later this year

NASA’s Nancy Grace Roman Space Telescope will soon launch to unravel the mysteries of dark energy and dark matter

Betelgeuse, the sky’s most famous red supergiant, is well studied but poorly understood

Researchers have nailed down an elusive quantity called baryon number, which may be responsible for the cosmic mismatch between matter and antimatter

First glimpsed as “little red dots” in deep-space images from the James Webb Space Telescope, these giant, gas-shrouded black holes are full of surprises