Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new ...

July stargazing is certainly a late show, but it's worth losing some sleep over because it’s prime time for summer ...

It will use the gravitational pull of the Red Planet to create a slingshot effect, accelerating the spacecraft with no extra propellant. The Hera AI Companion will be answering questions from space ...

Friday, July 4 Mercury reaches its greatest eastern elongation from the Sun, standing 26° from our star at 1 A.M. EDT. We’ll ...