Janet Petro became the first woman to lead NASA on Jan. 20, after U.S. President Donald Trump appointed her to be acting ...

To get somewhere in outer space, you can’t exactly drive in a straight line. Orbits are tricky things, and sending a probe to ...

ESA's Solar Orbiter captured views of the planet Mercury passing in front of the Sun. Multiple instruments aboard the ...

Janet Petro, a seasoned engineer and civil servant, has made history as the first woman to serve as both the acting ...

Two American astronauts who have been trapped on the International Space Station since June could return to Earth earlier in ...

Space scientists have unveiled a cosmic bouquet in time for Valentine's Day. The new image includes data from several ...

8 Mercury is the closest planet to the sun ... day launch window that opens no earlier than Feb. 26. Another spacecraft, NASA's Lunar Trailblazer, will also hitch a ride on this flight.

NASA’s latest change in plans comes two weeks after the space agency said it was working “expeditiously” to bring back Wilmore and Williams as soon as possible. Just a day earlier, President Donald ...

Six planets are part of the alignment, which will last until Feb. 18. Mercury will join the alignment later in the month.

Nasa’s two stuck astronauts may end up back on Earth a little sooner than planned. The space agency announced on Tuesday that SpaceX will switch capsules for upcoming astronaut flights in order to ...