New research suggests that planets outside our solar system contain far less surface water than scientists once believed.

The timing of Earth's early formation points to a planet that started out dry. So, life’s essential building blocks arrived ...

“Alien: Earth” brings the story of “Alien” to the third rock from the sun for the first time in the history of the entire ...

A rocky planet in the Milky Way galaxy may have an atmosphere, raising the possibility that life could exist on its surface, according to experts. TRAPPIST-1e, a planet belonging to a collection of ...

An illustration of the asteroid Apophis, which will make a close flyby of the Earth in April 2029. Credit: ESA Science Office HELSINKI — Chinese scientists are proposing using a pathfinder spacecraft ...

The annual clock of the seasons—winter, spring, summer, autumn—is often taken as a given. But our new study in Nature, using a new approach for observing seasonal growth cycles from satellites, shows ...

Erick Massoto is a Brazilian writer who's always loved film and TV and loves finding connections between them. That's why he supports double features, especially if they are of a modern film paired ...

Earth's inner core, the solid iron-rich mass at the center of our planet, is slowly growing as the surrounding molten outer core cools and freezes. But this process has been a source of debate amongst ...

CAPE CANAVERAL, Fla. (AP) — Scientists revealed Wednesday that Mars’ innermost core appears to be a solid hunk of metal just like Earth’s. The Chinese-led research team based their findings on seismic ...

Scientists revealed Wednesday that Mars' innermost core appears to be a solid hunk of metal just like Earth's. The Chinese-led research team based their findings on seismic readings from NASA's ...

Spotting Earth-like planets is nearly impossible with conventional telescopes, but researchers propose a bold fix: a rectangular design that can separate a planet’s faint glow from its blinding star.

The Virtual Telescope Project is set to host a free YouTube stream covering the flyby starting at 7 p.m. ET (23:00 GMT) on ...