Russian space agency head Dmitry Rogozin said he is not ruling out “deliberate interference in space.”
A garbage-collecting satellite launched by U.K. astronauts is on a test run to see if it can circle Earth, using a harpoon and a net to trap debris.
The matter will be cooled to just above absolute zero, or minus 459.67 degrees Fahrenheit.
Astronauts on the International Space Station do not even have sinks because of the way water behaves in microgravity.
"No one is talking about turning off the lights and dumping the thing in the Pacific Ocean."
Christa McAuliffe was planning to film lessons aboard the Challenger for classrooms all over the country to use.
We've spent $87 billion on the space station since 1993.
The vacuum cleaner on the ISS has previously been used as a musical instrument and as an actual vacuum cleaner.
The space agency offered no explanation for why she was replaced.
The contents include plants, fiber optics and even mice.
Norishige Kanai said he was worried he wouldn't fit into his seat on the way home.
Astronauts get some time to themselves on Christmas.
The finding could be a breakthrough for space travel and the search for life.
Three more astronauts have arrived at the International Space Station.
The ISS shared videos of the moment of impact.