Astronomers have come up with a new and improved method for measuring the masses of millions of solitary stars, especially those with planetary systems.
Three astronauts returned to Earth on Thursday after nearly six months aboard the International Space Station, landing on the snow-covered steppes outside of a remote town in Kazakhstan.
An Ariane 5 rocket put four GPS satellites into orbit on Tuesday for Europe's Galileo navigation project, Arianespace said.
The heads of several of the world's space agencies have proposed the creation of a climate observatory to pool acquired data and share it with scientists around the globe, according to a declaration adopted Monday in Paris.
Since the 1960s, NASA and other space agencies have been sending more and more stuff into orbit. Between the spent stages of rockets, spent boosters, and satellites that have since become inactive, there's been no shortage ...