The report reflects the ongoing gradual decline in U.S. births that has persisted for most of the past two decades, only ...

In these science fiction books, extraterrestrial beings are sympathetic, horrifying and everything in between.

Searching for alien languages sheds light on how much human languages have in common—with each other and even with animal ...

From "Alien" to "RoboCop," these five brutal sci-fi movie deaths still stand out for being especially nasty and hard to ...

Former Rep Matt Gaetz, R-Fla , claimed during a Tuesday interview that a U S Army official briefed him when he was in ...

A major Supreme Court case could strip citizenship from babies born in the U.S. to noncitizen parents, raising legal and ...

The Supreme Court heard oral arguments Wednesday morning in a birthright citizenship case that, if decided in the ...

A human baby arrives in the world in a strange state, eyes open, ears working, brain growing fast, yet unable to move through the world in any meaningful way. That mix is the heart of a new argument ...

Movies like "Disclosure Day" and "Project Hail Mary" renew our fascination with extraterrestrials and the idea that humankind ...

The following is an extract from our Lost in Space-Time newsletter. Each month, we dive into fascinating ideas from around the universe. You can sign up for Lost in Space-Time here. Modern physics ...

Over hundreds of thousands of years, humans somehow evolved a type of intelligence found nowhere else in the animal kingdom, at least on Earth. According to the most famous theory describing the ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...