New research suggests that dark energy isn't needed to explain the acceleration in the expansion of the universe — instead ...

Imagine floating in space, gazing on a frozen white orb. The ball hangs in the void, lonely and gleaming in the light from ...

As Earth approaches warmer levels experienced earlier in its geologic history, it may be bad news for human survival.

A giant space rock is on a potential collision course with Earth in 2032 ... However, astronomers are urging people not to worry yet. “Impact probability is still very low, and the most likely ...

The giant freshwater stingray may be the world’s largest freshwater fish ... Although stingrays do not readily attack humans, they are one of the few megafishes that can pose a real danger ...