For the first time, SpaceX on Friday blasted off both a rocket and a cargo ship that have flown before, a step forward in the company's goal to lower the cost of spaceflight.
NASA has powered on its latest space payload to continue long-term measurements of the Sun's incoming energy. Total and Spectral solar Irradiance Sensor (TSIS-1), installed on the International Space Station, became fully ...
Atomspheric physicists have found that the way wildfire smoke from Africa interacts with clouds over the Atlantic Ocean results in a net cooling effect, which is contrary to previous understanding and has implications for ...
A Japanese and an American astronaut floated for hours outside the International Space Station Friday on a spacewalk to repair the orbiting outpost's robotic arm and move some equipment into storage.
Two scientists in spacesuits, stark white against the auburn terrain of desolate plains and dunes, test a geo-radar built to map Mars by dragging the flat box across the rocky sand.
The first modern Briton had dark skin and blue eyes, London scientists said on Wednesday, following groundbreaking DNA analysis of the remains of a man who lived 10,000 years ago.
SpaceX is poised for the first test launch Tuesday of its Falcon Heavy, which aims to become the world's most powerful rocket in operation, capable of reaching the Moon or Mars some day.
A record-setting Russian spacewalk ended with a critical antenna in the wrong position Friday outside the International Space Station.
Russia is planning to send paying tourists on the International Space Station out on spacewalks for the first time, an official from the country's space industry said Thursday.
A bread loaf-sized satellite has produced the world's first map of the global distribution of atmospheric ice in the 883-Gigahertz band, an important frequency in the submillimeter wavelength for studying cloud ice and its ...