The nature of space, time and the evolution of life on Earth mean it’s unlikely extraterrestrial life has visited our home ...

Many have watched recently released UFO videos, but most still think the government knows more than it is saying.

With 'Disclosure Day,' the director returns to a longtime preoccupation. Two Times staffers explore his ongoing fascination ...

The desolate, wind-swept desert of the Paracas Peninsula on the southern coast of Peru holds one of the most enduring mysteries of the ancient world. In 1928, the renowned Peruvian archaeologist Julio ...

Disclosure Day' director Steven Spielberg thinks we're not alone in the universe. He's not the only one.

The group leading the charge in the search for extraterrestrial life has given the all clear: An interstellar comet looks to ...

The moment of first contact with extraterrestrials is a staple of science fiction. It usually involves a frantic scientist ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life. Tardigrades—a type of invertebrate ...

Whether tucked away in a colony of coral, hidden in the darkness of an aquatic cave or floating catatonic just above the ocean floor, fish take opportunities for rest and recovery, just as we do. Like ...

A privately owned immigration detention center in New Jersey has been the site of protests, arrests of lawmakers and reports ...

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For millennia, philosophers have argued over why humans sleep and dream. In his fourth-century-bc treatise On Sleep and Sleeplessness, the philosopher Aristotle argued that sleep is a necessary, ...