"We reported hints of methane, but the question is, 'is the methane attributable to molecules in the atmosphere of the planet ...

Astronomers were also able to learn a lot more about HD 143811 AB b, discovering that this planet is a whopper, at around six ...

The team discovered that the surface might contain liquid water, an essential ingredient for life. Astronomers from the, Irvine have discovered a planet orbiting within the “habitable zone” of its ...

For the first time, astronomers have found a planet the size of Earth around another star. The scientists, using a sophisticated NASA observatory that scans incoming light from stars, announced the ...

Of the seven Earth-sized worlds orbiting the red dwarf star TRAPPIST-1, one planet in particular has attracted the attention ...

Thanks to some old data and New Mexico researchers, we know of one more exoplanet in the Milky Way. A group of scientists at ...

A new explanation for the solar system's radioactive elements suggests Earth-like planets might be found orbiting up to 50 ...

Scientists are observing an Earth-like exoplanet that may contain water using NASA's James Webb Space Telescope, the space agency said in a news release. The exoplanet, known as TRAPPIST-1 e, orbits ...

Little is known about the long-destroyed moon-forming planet, Theia. But it may have been born in the inner solar system—just like Earth—a new study suggests ...