An idea that calls for the creation of inflatable starshades for telescopes has been recognized by NASA as part of the ...

Astronomers have identified a quartet of small rocky planets orbiting Barnard's star - one of our closest stellar neighbors - ...

"We can see, for the first time, rings of dust surrounding protoplanets made visible by the bright starlight reflecting off ...

Two space missions reached their conclusion: one with a splashdown, the other with a quiet lunar death. And thrilling new ...