Did you know our solar system might have had an extra planet? Scientists believe a mysterious ninth planet once existed but ...

Stars are born in dense molecular clouds, but did they always form this way? Recent research suggests that in the early ...

From star births to deaths and a party in a black hole, here are some of the reports we’ve been getting back from the ...

Take the “Tracy’s Cosmic Omelet,” for instance. It’s a heavenly combination of ham, onions, cheddar, and cream cheese. It’s ...

Mars, Venus, Jupiter, Saturn and Mercury will shine bright enough for the naked eye to see, and you can catch glimpses of Uranus and Neptune with binoculars or a telescope.

A rare full seven-planet alignment will be visible in the early night sky between Feb. 22 and 28. We have the tips you need ...

A rare full seven-planet alignment will be visible in the early night sky between Feb. 22 and 28. We have the tips you need ...

A star racing through the Milky Way may have a planet in tow, setting a new speed record for exoplanet systems. Using microlensing, astronomers spotted the pair moving at over 1.2 million mph.

A planet parade is when several of our solar system's planets are visible in the night sky at the same time. There will be six planets visible this time around, including Venus, Mars, Jupiter ...

In a first-of-its-kind experiment conducted at the world's most powerful particle accelerator, the Large Hadron Collider (LHC), scientists have attempted to discover if the universe's heaviest ...

Just because a gas moon is possible, does not mean they will form easily. The key thing about gas planets is that they are ...

Unpredictable bursts of light are pulsing from the debris surrounding Sagittarius A*, offering new insights into the ...