The way this black hole would illuminate the planet it orbits, he argues, would constitute a potential technosignature for future SETI surveys. Professor Loeb is the Frank B. Baird Jr. Professor ...

These orbits are stacked like books ... Narrator: Whether it's a planet, a black hole, or something else entirely, one thing is for sure: When we do find the source of this mysterious ...

Using NASA 's Hubble Space Telescope and other observatories, astronomers found the cosmic object in an unexpected place.

A planet orbiting a ... system's largest planet, yet orbits very close to its star. That close distance is also probably responsible for the alien world's pitch-black color. SEE ALSO: Perhaps ...

Black holes are just one of myriad marvels ... it spherical but not enough to generate nuclear energy. Planets have non-intersecting orbits around stars or drift freely in space.

Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

The solar system is our cosmic neighborhood, made up of the sun and everything that orbits it — planets, moons, asteroids, comets, and even dust and gas. The order of the planets in the solar ...

In a segment that saw the crew visit a planet which fell within the gravitational grasp of a huge black hole, the event caused time to slow down massively.

ESO/M. Kornmesser Astronomers have discovered a strikingly unusual exoplanet: one which orbits its host stars in a totally new way. The planet 2M1510 (AB) b orbits two stars — like Luke ...

Spotted thanks to a fleeting light distortion in 2011, a mysterious duo — a tiny star and its hefty companion — has turned ...