Many objects in space rotate. Earth completes a spin in roughly 24 hours, while Venus takes a whopping 243 Earth days. The moon's rotational period is about 27 days. The sun, it turns out, also ...

Are you ready for a bona fide moon shot? The upcoming Artemis II mission is one of the most exciting space excursions in recent memory. It'll be the first time humans have flown to the moon since ...

Humanity has changed an awful lot in the past 58 Years. The moon? Not so much. It was in 1968 that astronauts first drew near ...

As they fly around the moon, the four astronauts of NASA's Artemis II will see views never seen by the human eye. Here's how.

(Bloomberg) — A weeklong rotation that has seen investors bail from richly priced technology names in favor of more economically sensitive industries picked up speed, sending the Nasdaq 100 to its ...

Note from the Managing Editor: As part of our end-of-year process, the editorial team and I look back on the year to see (among other things) what some of the best-read stories of the year have been.

A research team has investigated long-term X-ray variability in the neutron star NGC 7793 P13, an object thought to be driven by supercritical accretion, where an extraordinary amount of gas falls ...

With its metaphorical feet held over the allegorical fire by NASA, SpaceX has released a new, simplified plan to build a lander to put US astronauts back on the Moon now that the competition for the ...

It's time to get your Neil Young records back in the rotation, because this year's harvest moon rises Monday. While temperatures haven't felt too much like fall, this full moon helps to get us in the ...

Add Yahoo as a preferred source to see more of our stories on Google. The Moon is getting 1½ inches (3.8 centimeters) farther away from the Earth every year. Scientists measure the distance to the ...