How dark is the cosmic web?
A visualization of the filaments in the cosmic web. Simulation produced by the EAGLE project.
The universe is permeated by a vast, invisible web, its tendrils weaving through space. But despite organizing the matter we...
To find alien life, we should focus on white dwarf stars
White dwarfs are tightly compressed balls of glowing gas left after some stars die.
Humans have been searching for signs of extraterrestrial (ET) life for decades. We've been listening carefully for strange radio signals, looking...
This is the most violent object in the solar system
A pair of images show two views of Pallas with its pock-marked surface.
New images reveal that one of the strangest asteroids in the solar system is also the most covered in craters.Pallas, at 318...
Iran satellite launch fails to reach orbit
This photo by a satellite operated by DigitalGlobe, a subsidiary of Maxar Technologies, shows Iran's Imam Khomeini Space Center on Feb. 5, 2019, shortly before a Safir rocket launch that was later determined to...
Earth-like Saturn moon flunks quantum-mechanical test for life
An image from NASA's Cassini probe, taken Sept. 23, 2006, shows a pair of hydrocarbon lakes on Titan.
Saturn's most Earth-like moon looks a bit less likely to host life, thanks to quantum mechanics, the...
2 Russian satellites are stalking a US spysat in orbit. The Space Force is...
A Russian Soyuz 2.1v rocket launches a classified military satellite into orbit from the Plesetsk Cosmodrome in northern Russian on Nov. 25, 2019. The satellite can apparently track other satellites in orbit.
A U.S....
