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 ...

How cold is space? Does it ever drop to absolute zero, and what happens if you fall into it without a spacesuit? When you purchase through links on our site, we may earn an affiliate commission.

Blue Origin will ground its New Shepard suborbital vehicle for at least two years, in order to devote more resources to the company's crewed moon plans. Blue Origin launched six people to suborbital ...