Chazmo is back — and Totino’s is once again keeping fans guessing.

In September, NASA announced the discovery of a possible sign of life, known as a potential biosignature, on Mars. The Perseverance rover, which has been exploring a dried-up lakebed for years, found ...

Invasive aquatic species are transforming rivers, lakes, and coastal waters at an alarming rate. This video examines four invasive fish and one crustacean that have caused widespread ecological ...

Add Yahoo as a preferred source to see more of our stories on Google. The Borg queen smiles in Star Trek: First Contact - Paramount Some of the most famous alien races in all of science fiction ...