When 3I/ATLAS is closest to the Earth on Dec. 19, all the features that we are looking...
A SpaceX Falcon 9 rocket blasts off from Space Launch Complex 40 at Cape Canaveral Space Force...
A SpaceX Falcon 9 rocket carrying 29 Starlink satellites lifted off from Space Launch Complex 40 at...
Researchers have discovered that a close encounter with a rogue planet or brown dwarf during the Sun’s...
Astronomers at the University of Tokyo have used gravitational lensing to measure how fast the universe is...
Researchers using NASA’s James Webb Space Telescope have detected the strongest evidence yet for an atmosphere on...
The Large and Small Magellanic Clouds are irregular dwarf galaxies and satellites of the Milky Way. The...
File: A SpaceX Falcon 9 rocket with the first stage booster, 1067, stands at Launch Complex 39A...
Rocky planets like our Earth may be far more common than previously thought, according to new research...
Liftoff is scheduled for 3:49 a.m. ET on Monday (Dec. 15).
It's one of the 21st century's best sci-fi shows. If only "The Expanse" had found the audience...
December's faint Ursid meteor shower returns under dark skies, offering a small chance of unexpected activity.
A Rocket Lab Electron rocket successfully launched a technology demonstration satellite for JAXA Dec. 13 as the...
The early universe was a very different place than today. And by “early” I don’t mean a...
Carl Sagan famously said that “We’re all made of star-stuff”. But he didn’t elaborate on how that...
Assuming Google does manage to launch a prototype in 2027, will it simply be a high-stakes technical...
'No matter what your traditions are, someone is going to break them.'
A SpaceX Falcon 9 rocket carrying 27 Starlink satellites lifted off from Vandenberg Space Force Base in...
In the early 20th century, after years of effort, Albert Einstein developed his general theory of relativity....
A new study, analyzing over 1,600 galaxies observed with Chandra over two decades, suggests that smaller galaxies...