NASA launches spacecraft to kick an asteroid off course

A NASA mission to deliberately smash a spacecraft into an asteroid—a test run should humanity ever need to stop a giant space rock from wiping out life on Earth—blasted off Tuesday from California.

Making Martian rocket biofuel on Mars

Researchers at the Georgia Institute of Technology have developed a concept that would make Martian rocket fuel, on Mars, that could be used to launch future astronauts back to Earth.

Samples returned by Chang'e-5 reveal key age of moon rocks

A lunar probe launched by the Chinese space agency recently brought back the first fresh samples of rock and debris from the moon in more than 40 years. Now an international team of scientists—including an expert from Washington ...

page 6 from 40