Astrophysicist Neil deGrasse Tyson joins Natasha Verma to unlock big cosmic questions with wit and clarity: Have aliens ...

Scientists have been searching for radio signals from hypothetical alien civilizations using radio telescopes for decades.

NASA’s discovery of potential evidence of ancient life on Mars means “our galaxy could be teeming with life,” says a ...

Are we alone? It's one of the most basic questions of human existence. People have been trying to answer it for millennia in ...

Planets are about as scarce as they can be in our summer evening sky. Earth is the only one that’s visible as darkness falls. Just look down instead of up. All of the major planets that are visible to ...

It takes a certain kind of brave (and perhaps foolish) person to join Starfleet and venture into the great unknown, and most of the stories in the Star Trek universe are about an adventure gone wrong.

Exoplanet hunters Christopher Watson and Annelies Mortier explain the long search for a 'twin Earth' capable of sustaining ...

Every planet in our solar system is essentially round. But out in the universe, are there any planets that aren't spherical?

CINCINNATI (WKRC) - A recently released study suggested that our universe started with two big bangs not just one. For decades scientists have been struggling to explain the creation of two things: ...

Planets do not emit visible light like stars; they shine in the sky because they reflect sunlight. Exoplanets too reflect ...