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Over the course of its elliptical orbit, the moon Enceladus is squeezed unevenly by Saturn's gravitational pull and deforms from a spherical shape into a football shape and back again. This cyclic stress causes a phenomenon ...
The question may be the 21st century's version of the fable of the tortoise and the hare: Who would win in a foot race between a robot and an animal?
More than 100 years ago, astronomer George Ellery Hale brought two Pasadena institutions together to build what was then the largest optical telescope in the world. The Mount Wilson Observatory changed the conception of humankind's ...
An unusual group of stars in the Orion constellation have revealed their secrets. FU Orionis, a double star system, first caught astronomers' attention in 1936 when the central star suddenly became 1,000 times brighter than ...
Scientists detected the first long-predicted gravitational wave in 2015, and since then, researchers have been hungering for better detectors. But the Earth is warm and seismically noisy, and that will always limit the effectiveness ...
I first encountered the three-body problem 60 years ago, in a short story called "Placet is a Crazy Place" by American science fiction writer Frederic Brown.
We are all very familiar with the concept of the Earth's magnetic field. It turns out that most objects in space have magnetic fields but it's quite tricky to measure them. Astronomers have developed an ingenious way to measure ...
It's not just another ride for a pair of veteran NASA astronauts who arrived to the Space Coast ahead of their flight onboard Boeing's CST-100 Starliner.
A spaceship carrying three astronauts from China's Shenzhou-18 mission safely docked at Tiangong space station Friday, state-run media reported, the latest step in Beijing's space program that aims to send astronauts to the ...
Riding aboard NASA's Psyche spacecraft, the agency's Deep Space Optical Communications technology demonstration continues to break records. While the asteroid-bound spacecraft doesn't rely on optical communications to send ...
