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An artist's rendering of the Proxima Centauri planetary system, with the potential new planet on the right and Proxima b on the left.

A second planet might orbit the closest star to the sun, and astronomers think it’s a super-Earth

Astronomers think the planet, called Proxima c, is a super-Earth that formed far from the icy region where scientists think such worlds are born.
Exoplanet TOI 700 d is the first Earth-size world NASA's TESS space telescope has found that's in its star's habitable zone.

NASA’s planet-hunting telescope found an Earth-size exoplanet 100 light-years away. It could hide a vast ocean.

The planet, called TOI 700 d, orbits in the habitable zone of a red dwarf star. Two telescopes confirmed its existence.

Meet Parumleo and Viculus – the star and its orbiting planet with Singapore-inspired names

Look up, and you might see a star in the sky named after Singapore.
The band of the Milky Way stretches across the sky above the 2.2-meter telescope at the La Silla Observatory in Chile. This is where astronomers watched three stars to find vaporizing planets in their orbits.

Astronomers found 6 unusual new planets, including 3 super-Earths, by watching them vaporize and bleed gas into space

The new method aims to find planets that orbit so close to their stars that they vaporize from the heat, leaving gas behind.
An artist's illustration of the sun-like star Kepler 51 and two of its three giant super-puff planets that NASA's Kepler space telescope discovered in 2012.

NASA has confirmed a new class of huge ‘super-puff’ planets that have the density of cotton candy

Because their hydrogen-helium atmospheres balloon out, these planets are nearly as big as Jupiter, but are 100 times less massive.
An artist's impression of CHEOPS, the ESA's Characterizing Exoplanet Satellite, in orbit above Earth.

A brand-new space telescope just launched into orbit. It will take an unprecedented look at alien planets circling distant stars.

The CHEOPS space telescope will attempt to study the atmospheres and composition of exoplanets. It launched Wednesday morning. following a delay.
A view of Earth taken at 1:07 p.m. EDT on January 15, 2017 by the GOES-16 satellite.

A handful of recent discoveries has transformed our understanding of Earth-like planets in the galaxy. Here’s why Earths might be common.

There could be up to 10 billion Earth-like planets in our galaxy alone. That's good news for astronomers seeking alien life.
NASA engineers clean a panel of JWST's primary mirror with carbon-dioxide snow.

A handful of new telescopes are about to transform the hunt for alien life and our understanding of the universe itself

NASA and other space agencies are building telescopes that will study dark matter, measure the universe's expansion, and look for signs of alien life.

A winner of this year’s Nobel prize in physics is convinced we’ll detect alien life in 100 years. Here are 13 reasons why we haven’t...

A Nobel prize-winner thinks we'll detect aliens within 100 years, possibly sooner. Other scientists think we might never make contact.
An illustration of what it might look like on the surface of TRAPPIST-1f, a rocky planet 39 light-years from Earth.

16 recently discovered exoplanets could offer our best chance of finding alien life outside the solar system

NASA telescopes have found thousands of exoplanets, some of which could host life. Scientists recently detected water vapor on a super-Earth.