A 54-pound rock. Estimated auction price: $2 million to $4 million. Why so expensive? It's the largest piece of Mars ever ...

Astronomers have discovered a massive exoplanet, potentially ten times the size of Jupiter, hidden within the protoplanetary disk of young star MP Mus.

With the moon sitting low in the sky during this phase of its 18.6-year cycle, it's the perfect time to try capturing this ...

The legislation phases out tax credits for wind and solar, which may diminish their economic edge over coal. It also adds metallurgical coal that’s used to make steel to the list of critical minerals ...