The BepiColombo mission to our sun's innermost planet - fascinating little Mercury - launches from Europe’s spaceport in French Guiana on October 20 at 01:45 UTC (tonight at 9:45 p.m. EDT). Here's how to watch.

What's happening in your dog's brain when it hears you say squirrel? New research looks at how dog's brains react to human words.

How did life on Earth begin? A new technology, called Planet Simulator, might finally help solve the mystery.

In the path of totality of the August 2017 total solar eclipse, bees stopped flying, says a study. "It was like ‘lights out’ at summer camp."

Just because you don't have the flu doesn't mean that your aren't teeming with viruses inside and out. But what are all these viruses doing, if they aren't making you sick?

Voyager 2, launched in 1977, is now about 11 billion miles (17.7 billion km) from Earth. NASA says the spacecraft has detected an increase in cosmic rays, which might mean it's close to becoming only the 2nd human-made object, after Voyager 1, to enter interstellar space.

The early morning update on Wednesday, October 10, shows Michael has strengthened more than expected to a Category 4 hurricane. The storm is due to make landfall on the north Florida coast today.

The Hubble Space Telescope has been in safe mode since last Friday evening, following the failure of one of the gyros that helps stabilize it. NASA is analyzing the problem and hopes to resume operations soon.

Researchers have found microplastics deep in the sand on beaches where sea turtles lay their eggs.

Yuri Milner's Breakthrough Listen program said it has added the MeerKAT telescope in South Africa to its global effort to listen for signals from an alien intelligence.