AXIS (left) and PRIMA are two mission concepts NASA selected for further study as the first probe-class astrophysics mission ... picked over other proposals rated in both Categories 1 and 2. Other ...

Nearly 47 years ago, two NASA spacecrafts were bound for one of the grandest journeys across our solar system to fly by and ...

NASA's Parker Solar Probe has been whizzing through space since 2018 at incredible speed, but it has yet to reach its final ...

Surface features of Uranus' icy moon Miranda point to the existence of a once deep ocean, one that still may exist today.

Located around 30 times as far from the Sun as Earth, Neptune is not visible to the naked eye. The planet's blue color comes from methane in its atmosphere, which absorbs red wavelengths of light.

The Voyager 1 and 2 probes have been on a remarkable journey. Since their launch in 1977, they have traveled through the solar system, past several of the outer planets, and headed out beyond the ...

In 1977, NASA launched Voyager 1 and 2: a pair of spacecraft tasked with touring Jupiter, Saturn, Uranus and Neptune by ...

One of the best-timed shots in TV history is an old clip by BBC's science presenter James Burke which has recently become ...

Goodnight room, goodnight moon. The Hera spacecraft, speeding on to an asteroid, took a look back at Earth's moon — and in a new animation, you can see our neighbor shrinking as Hera flies away.

NASA has explored the space beyond Earth and our solar system with spacecraft like Voyagers 1 and 2, and how we’ve discovered ...

The European Space Agency's Hera craft, en route to an asteroid, recently captured footage of our planet and the moon, set ...

NASA's Voyager 1 spacecraft is reviving technology abandoned four decades ago to help keep its groundbreaking space ...