From Borg battles to impossible moral choices, these are the 'Star Trek' episodes that define the hit sci-fi franchise.

A, one of the largest and longest-lived Antarctic icebergs, is now covered in bright blue meltwater and breaking apart.

The findings potentially solve the paradox of how liquid water seems to have persisted on Mars even when the climate grew too ...

Baba Vanga, the blind Bulgarian mystic who died in 1996 at age 85, allegedly made predictions for 2026 that have captured ...

This past year was the third warmest on record and stood on the cusp of surpassing a major climate threshold globally, ...

Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

Thousands of light-years from Earth, there could be another planet hospitable to life. Kepler 69c. And you’re about to travel ...

At a frozen Himalayan lake, explorers braved brutal winds to photograph Jupiter at its brightest, revealing rare zodiacal ...

Ancient ocean sediments reveal Antarctica’s ice sheet retreated repeatedly during past warm periods, offering clues to future ...

Three of the four Oglala Sioux Tribe members who were arrested in Minneapolis on Friday have been transferred to an ICE ...

Ancient granite boulders reveal a vast hidden structure beneath Pine Island Glacier, reshaping understanding of Antarctic ice flow. Pink granite boulders scattered across the dark volcanic peaks of th ...

Two citizens engaged in community patrols detail how ICE smashed windows, arrested them and promised money in exchange for ...