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

The Orionids meteor shower, originating from Halley’s Comet, peaks Tuesday night with up to 15 meteors per hour visible ...

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

According to one hypothesis, the comet is responsible for giving humans the swastika symbol, thousands of years in the past.

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

The Orionids are thought to be one of the most impressive meteor displays. Here's more on how you can spot them lighting up ...

"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." ...

I/ATLAS, a mysterious interstellar object racing toward the Sun, is baffling scientists with its speed and origin. Some ...

Observe the fiery Southern and Northern Taurids, a pair of potentially flashy meteor showers that are set to peak this ...

The dream of living on another planet has intrigued scientists, engineers, and explorers for a long time. Now, the dream is ...

Taurid fireballs are easier to see with the unaided eye because they are brighter and move more slowly than normal ...

Reanalysis of NASA's Pioneer Venus mission data reveals that Earth's twin contains 62% water in hydrated compounds.