New research suggests the atmosphere of Uranus is largely comprised of hydrogen sulfide, which gives rotten eggs their repulsive smell.
Optical-light data from other galaxies allowed astrophysicists to estimate that our galaxy is growing at a rate of 1,100 mph, or 1.4 times the speed of sound.
The red dwarf star came closer than 1 light-year to the sun 70,000 years ago.
Researchers in Russia conducted laboratory simulations of nuclear strikes on asteroids traveling along a collision course with Earth.
Advertising and marketing aboard the space station is currently prohibited, but that may change in the wake of the Trump administration's 2019 budget proposal.
Laboratory experiments show the methane detected on Enceladus by NASA’s Cassini spacecraft could be of biological origin.
Bigelow Aerospace announced plans for sending soft-bodied modules that are compressed during launch but expand once they reach space.
The President’s annual budget proposal, which requires Congressional approval, also axes NASA’s Office of Education, a telescope, and five Earth science programs.
The company has landed 21 Falcon 9 first stages, and it has now reflown boosters six times, all successfully.
The pledge of returning US astronauts to the Moon marks a change in focus from the Obama administration, which emphasized exploration of Mars.