But hang on. It takes a long, long time to strip a planet of hydrogen. Billions of years! So, if what these astronomers were supposing is true, maybe, just maybe, GJ 436b is still losing hydrogen now.

GJ 436b, located about 33 light-years from Earth in the constellation Leo, is a kind of world known as a warm Neptune.Such planets, at about 10 to 20 times the mass of Earth, are about the mass of ...

GJ 436b, located about 33 light-years from Earth in the constellation Leo, is a kind of world known as a warm Neptune. Such planets, at about 10 to 20 times the mass of Earth, ...

The planet GJ 436b, aka Gliese 436b, which lies roughly 30 light-years away, is known as a “warm Neptune” – it sits so close to its star that its “year” is just 2.64 days, and its ...

Neither of the planets, GJ 436b and GJ 1214b, are quite like anything found in our solar system. GJ 436b is a warm Neptune that’s slightly larger than Neptune and much closer to its host star.

In the case of GJ 436b, the hot Neptune, there are two possible explanations for the lack of observed features in the spectrum: either the planet has an atmosphere that's nearly devoid of hydrogen ...

GJ 436b is located 33 light-years away in the constellationLeo, the Lion. The planet rides in a tight, 2.64-day orbit around its small star,an "M-dwarf" class star that is much cooler than our sun.

Then there's Gliese 436 b (otherwise known as GJ 436 b). This alien world is located approximately 30 light-years from Earth towards the constellation of Leo. And it is made of excruciatingly hot ice.

As GJ 436b and the super-Earth GJ 1214b pass in front of their parent stars, the atmosphere creates a bloated sphere that precedes the body of the planet in the front and follows it in the back.

Scientists have found evidence of extraterrestrial clouds blanketing two of the most common types of planets in our Milky Way galaxy, NASA officials say. Two teams of researchers used the Hubble ...

Observations from the Hubble Space Telescope suggest that a super-Earth and a warm Neptune-sized planet far beyond our solar system are blanketed by high-altitude clouds.