That means returning from the moon, the Artemis astronauts will be traveling at around 0.0037% the speed of light. Assuming a ...

Scientists aren't sure whether Earth will be fully swallowed by the Sun, or merely burned to a crisp. Which sounds better to ...

In a Landmark Study, Scientists Discover Just How Much Earth’s Temperature Has Changed Over Nearly 500 Million Years Researchers show the average surface temperature on our planet has shifted ...

Avi Loeb’s single-minded search for extraterrestrial life has made him the most famous practicing astronomer in the country — and possibly the most controversial.