The newly-detected object lies 28 million light-years away in the Whirlpool galaxy M51.

Astronomers have found evidence for a possible planet candidate in the M51 ("Whirlpool") galaxy. NASA/CXC/A.Jubett For the very first time astronomers may have detected a planet outside of the ...

Astronomers have found evidence for a possible planet candidate in the M51 ("Whirlpool") galaxy, representing what could be the first planet detected outside of the Milky Way. Chandra detected the ...

The orb lies 28 million light-years away in the Whirlpool galaxy M51.

If M51-1 is a planet, Di Stefano's team believe it may have had a tumultuous life. It's gravitationally bound to the X-ray binary M51-ULS-1, which Di Stefano's team posits consists of a black hole ...

The newly uncovered planet, minted M51-ULS-1b, resides in the Whirlpool galaxy, our Milky Way's neighbor, 28 million light-years from Earth. It orbits two hosts: a massive star, with a mass at ...

The possible exoplanet was discovered in the Whirlpool Galaxy -- the spiral galaxy Messier 51 (M51) -- by NASA's Chandra X-ray Observatory, NASA said in a press release on Monday.

Now Rosanne Di Stefano at the Harvard-Smithsonian Center for Astrophysics along with several colleagues, say they have found a candidate planet in the M51 Whirlpool Galaxy some 23 million light ...

If this planet really exists, M51-ULS-1 would mark the first pinpointed star system in another galaxy that has an “extroplanet,” or a planet found outside of our home galaxy, the Milky Way.

Astronomers have found evidence for a possible planet candidate in the M51 ("Whirlpool") galaxy, representing what could be the first planet detected outside of the Milky Way. Chandra detected the ...

The possible exoplanet candidate is located in the spiral galaxy Messier 51 (M51), also called the Whirlpool Galaxy because of its distinctive profile.