For decades, when people have imagined alien life, their minds have drifted to Mars or distant exoplanets far beyond our […] ...

Venus is often known as Earth’s twin because it is the closest planet to Earth in size, mass, and composition. Both are rocky ...

Ivory Coast military coup leader ousted; Soviet Venera probes send back first images of Venus; Australian government outlaws ...

"I don't know if you've heard about it," says the long-adored scientist and climate activist—plus, the one rising condition that tells him "there's something going on." ...

When astronomers pointed the James Webb Space Telescope (JWST) at a faint object orbiting a distant star system, they weren’t ...

A pairing-off of the brightest planet and a slender crescent moon will be the chief celestial attraction in the dawn sky ...

Read today's free daily Virgo horoscope to see what's in store for you including predictions on love, romance, health, ...

When the balance in reflectivity shifts, “the whole circulation of the climate will shift in order to transport energy from ...

New research reveals that Earth’s continents owe their stability to searing heat deep in the planet’s crust. At more than 900°C, radioactive elements shifted upward, cooling and strengthening the ...

As autumn settles in, the night sky puts on a show - no ticket required! From dramatic shooting stars to a planet you can put ...

The Orionid meteor shower peaks during a new moon, Comet Lemmon gets closest to Earth and a crescent moon slides past Mercury ...