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Tag: Exoplanets

An artist's concept of the planet Kepler-452b (right), the first near-Earth-size world to be found in the habitable zone of a star that is similar to our sun. The planet is 60% larger than Earth (shown left for comparison).

There could be up to 10 billion warm and cozy Earth-like planets in our home galaxy, new research reveals

Thanks to the Kepler telescope, scientists have enough data to estimate how many sun-like stars have Earth-like planets that could hold liquid water.
An illustrated interpretation of what GJ 357 d may look like.

Astronomers have discovered a potentially habitable world just 31 light-years away, thanks to NASA’s planet-hunting telescope

TESS, a space telescope searching for alien worlds, helped astronomers discover a potentially watery new planet. It's one of the nearest known worlds.
Artist concept of a super-Earth

NASA’s newest planet-hunting telescope just discovered a ‘super-Earth’ and 2 ‘sub-Neptunes’ less than 75 light-years awa...

TESS, the space telescope searching for alien worlds, has discovered three nearby exoplanets that could offer clues about how planets form.
An animated map that shows where in the night sky more than 4,000 extrasolar planets are located.

An incredible new animation shows where, when, and how astronomers found 4,000 planets beyond our solar system

Since 1992, astronomers have discovered thousands of new worlds in deep space, and some may be habitable. A new YouTube video celebrates that feat.
An illustration of Earth and the moon.

The speed of light is torturously slow, and these 3 simple animations by a scientist at NASA prove it

A scientist at NASA animated how long it takes light to travel around Earth, to the moon, and to Mars. The movies show just how slow light can be.
The newfound planet K2-288Bb, illustrated here, is slightly smaller than Neptune.

Scientists have discovered a new planet twice the size of Earth, and it could have liquid water on its surface

Scientists have discovered a new planet that's 226 light-years away. It is roughly twice the size of Earth, which is rare for an exoplanet.
An illustration of the exoplanet candidate Barnard's star b, also known as GJ 699 b.

Astronomers found a ‘cold super-Earth’ less than 6 light-years away — and it may be the first rocky planet we’ll photograph be...

Astronomers think they've found a "cold super-Earth." It might be the first exoplanet they photograph with a coming generation of powerful telescopes.
An illustration of NASA's Kepler space telescope.

NASA’s planet-hunting Kepler telescope is dead 9 years after launching into space

The Kepler space telescope was launched in 2009 and has stared down more than 500,000 stars. But NASA says Kepler has run out of fuel.
A rendering of the Giant Magellan Telescope in Chile.

A $1 billion telescope that will take pictures 10 times sharper than Hubble’s is now officially under construction

The Giant Magellan Telescope is finally under construction at the Las Campanas Observatory in Chile. The telescope is on track to be the world's largest and most powerful when it takes it first images of space. Data collected by GMT could help astronomers "sniff" alien atmospheres.
An illustration of the Transiting Exoplanet Survey Satellite in space.

NASA’s biggest-ever hunt for alien planets is finally underway — and the agency expects to discover ‘strange, fantastic worlds’...

TESS, the Transiting Exoplanet Survey Satellite, is a space telescope designed to discover small, rocky, Earth-like exoplanets in nearby solar systems. NASA launched the observatory on April 18, but it took months for it to reach an orbit near the moon and begin scanning the skies.