Increasingly crowded orbits full of satellites and debris pose potential hazards for services on Earth, and need regulation.

Mining ocean resources needed for electric cars and other devices is currently a hot issue of dispute. Final resolution of ...

I pick out North America’s celestial highlights for the week ahead (which also applies to northern hemisphere mid-northern ...

Here’s what you should know when you go outside to see for yourself: Yes, the planets are indeed lined up across our sky. No, ...

There are many obstacles to overcome before humans can set foot on Mars, including problems surrounding launch mass and ...

NASA has plans to launch the first deep space station for humans to live long-term. Is it a necessary step to Mars?

In fact, Mars is nearly twice the size of the Moon, measuring a little over 4,200 ... Moon to move the distance of its own diameter as it orbits Earth. In comparison, an inch-long garden snail ...

Though the planets are always “aligned,” seeing more than four in the sky is more uncommon. February’s lineup is a chance to ...

There are no two ways about it—space will kill you if you give it half a chance. More than land, sea, or air, the space ...

People in the northern hemisphere will be able to see Saturn, Mercury, Neptune, Venus, Uranus, Jupiter and Mars during the planetary parade. The next full moon will happen on Feb. 12. Known as the ...