Scientists just collected the first measurements of violent eruptions in extremely dense magnetic stars called magnetars.
New research has road-tested a way to spot some of the most voracious black holes of all, making it easier to find them buried deep in the hearts of distant galaxies.
A new video of solar streamers evokes the streaking stars seen during spacecraft hyperdrives in "Star Wars."
On Monday (Jan. 3), James Webb Space Telescope controllers began tightening the tension on its massive sunshield.
China's Tianwen 1 spacecraft at Mars has snapped with stunning images with a small camera that captured images of the orbiter above Mars.
The recently launched James Webb Telescope should help determine if dark matter is made up of primordial black holes.
Microbes released a toxic gas called hydrogen sulfide that subsequently prolonged the Permian extinction event 250 million years ago, according to a new study.
A detailed new image provides a great look at the Perseverance Mars rover's Red Planet home and shows why the mission team is so excited to explore it.
A space station on the moon could be very useful to provide future space missions with a stopping point between Earth and deeper space. Why haven't we built one yet?
If all goes according to plan, the James Webb Space Telescope, launched on Christmas Day 2021 after years of delays, will usher in a new era of astronomy.
The $10 billion James Webb Space Telescope unfolded its huge sunshield on Friday (Dec. 31), pulling the five-layer structure out by sequentially deploying two booms.
The closer we look at the universe, the more beautiful and baffling it becomes. Here are the 10 most epic space structures discovered in 2021.
The Standard Model explains the physics of how the world works. But in 2021, physicists started probing fundamental gaps in this long-established concept.
During this very eventful year, two nations joined the Mars club, a robot plied Red Planet skies for the first time ever and humanity kicked off an ambitious interplanetary sample-return campaign.
A new pre-print study claims to have quantum entangled a tardigrade with two superconductor qubits, though experts are skeptical.
NASA's James Webb Space Telescope is three days into the deployment of its massive sunshield — and it still has about three days to go.
Thanks to images from a robotic Earth telescope, you can now watch the James Webb Space Telescope travel through space.
The James Webb Space Telescope has unwrapped its sunshield, crossing another important item off of its lengthy and risky deployment to-do list.