Among the planets that would get less attention are Venus, Mars and Jupiter. But the planet facing the biggest drop in ...

The way comets behave in space may seem random, but new research suggests there’s more order behind the chaos than once ...

SpaceX launched another 26 of its Starlink satellites into low-Earth orbit Sunday amid foggy conditions at Vandenberg Space ...

Kepler-725c is roughly 2,472 light years from Earth, circling a G9V star in about 207.5 days. Its path brings it into a ...

Planets can change their orbit. So the search for “Planet Nine ... Growing up, it was this weird, mysterious thing at the edge of the solar system. Who would not think it's kind of weird ...

The president could tighten federal oversight of the tech titan’s businesses, even if heavy reliance by the Pentagon and NASA ...

Seeing a total solar eclipse can be even more impressive than witnessing the aurora borealis, but it will be quite a while ...

Discover interesting facts about the sun, the solar system's central star that supports all life on Earth.

If all goes as planned in August, a startup called Starcloud from Redmond, Wash., will load a rocket bound for space with a ...

The company is developing a larger vehicle, named Helios, that could meaningfully improve the ability of SpaceX's Falcon 9 ...

The nights surrounding June 7 will see Jupiter and Mercury crowd together close to the horizon in the northwestern sky.

For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.