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Extrasolar Planets News
December 12, 2019

Top Headlines
 

The first evidence of a giant planet orbiting a dead white dwarf star has been found in the form of a disc of gas formed from its ... read more
An astrophysicist has discovered many new multiple star systems that contain exoplanets. For this, he searched more than 1,300 exoplanet host stars. He found that 15 per cent ... read more
Earth-like planets may be common in the universe, a new study implies. The team of astrophysicists and geochemists presents new evidence that the Earth is ... read more
For the first time, astronomers have witnessed 3D motions of gas in a planet-forming disk. At three locations in the disk around a young star called HD 163296, gas is flowing ... read more
Latest Headlines
updated 10:19am EST

Earlier Headlines
 

Liquifying a Rocky Exoplanet

A hot, molten Earth would be around 5% larger than its solid counterpart. The difference between molten and solid rocky planets is important for the search of Earth-like worlds beyond our Solar ... read more

2019 Nobel Prize in Physics: Evolution of the Universe and Discovery of Exoplanet Orbiting Solar-Type Star

This year's Nobel Prize in Physics is being awarded "for contributions to our understanding of the evolution of the universe and Earth's place in the cosmos," with one half to ... read more

Saturn Surpasses Jupiter After the Discovery of 20 New Moons

Move over Jupiter; Saturn is the new moon king. A team has found 20 new moons orbiting Saturn. This brings the ringed planet's total number of moons to 82, surpassing Jupiter, which has ... read more

Many Gas Giant Exoplanets Waiting to Be Discovered

There is an as-yet-unseen population of Jupiter-like planets orbiting nearby Sun-like stars, awaiting discovery by future missions like NASA's WFIRST space telescope, according to new models of ... read more

A Planet That Should Not Exist

Astronomers detected a giant planet orbiting a small star. The planet has much more mass than theoretical models ... read more

The Rare Molecule Weighing in on the Birth of Planets

Astronomers using one of the most advanced radio telescopes have discovered a rare molecule in the dust and gas disk around a young star -- and it may provide an answer to one of the conundrums ... read more

Saturn's Rings Shine in Hubble's Latest Portrait

Saturn is so beautiful that astronomers cannot resist using the Hubble Space Telescope to take yearly snapshots of the ringed world when it is at its closest distance to Earth. These images, however, ... read more

A Goldilocks Zone for Planet Size

Researchers have described a new, lower size limit for planets to maintain surface liquid water for long periods of time, extending the so-called Habitable or 'Goldilocks'' Zone for ... read more

Water Detected on an Exoplanet Located in Its Star's Habitable Zone

Astronomers have detected water vapor on the exoplanet K2-18b -- a major discovery in the search of alien ... read more

Hints of a Volcanically Active Exo-Moon

A rocky extrasolar moon (exomoon) with bubbling lava may orbit a planet 550 light-years away from us. This is suggested by an international team of researchers on the basis of theoretical predictions ... read more

Earth's Fingerprint Hints at Finding Habitable Planets Beyond the Solar System

Astronomers have assembled a 'fingerprint' for Earth, which could be used to identify a planet beyond our Solar System capable of supporting ... read more

Newly Discovered Giant Planet Slingshots Around Its Star

Astronomers have discovered a planet three times the mass of Jupiter that travels on a long, egg-shaped path around its star. If this planet were somehow placed into our own solar system, it would ... read more

A Second Planet in the Beta Pictoris System

A team of astronomers has discovered a second giant planet in orbit around alpha Pictoris, a star that is relatively young (23 million years old) and close (63.4 light years), and surrounded by a ... read more

How Many Earth-Like Planets Are Around Sun-Like Stars?

A new study provides the most accurate estimate of the frequency that planets that are similar to Earth in size and in distance from their host star occur around stars similar to our ... read more

James Webb Space Telescope Could Begin Learning About TRAPPIST-1 Atmospheres in a Year

Astronomers are using the intriguing TRAPPIST-1 planetary system as a kind of laboratory to model not the planets themselves, but how the coming James Webb Space Telescope might detect and study ... read more

Fluorescent Glow May Reveal Hidden Life in the Cosmos

Astronomers have uncovered a new way of searching for life in the cosmos. Harsh ultraviolet radiation flares from red suns, once thought to destroy surface life on planets, might help uncover hidden ... read more

Dead Planets Can 'Broadcast' for Up to a Billion Years

Astronomers are planning to hunt for cores of exoplanets around white dwarf stars by 'tuning in' to the radio waves that they ... read more

Shining (Star)light on the Search for Life

In the hunt for life on other worlds, astronomers scour over planets that are light-years away. They need ways to identify life from afar -- but what counts as good evidence? To know a true sign when ... read more

Hubble Uncovers a 'Heavy Metal' Exoplanet Shaped Like a Football

How can a planet be 'hotter than hot?' The answer is when heavy metals are detected escaping from the planet's atmosphere, instead of condensing into ... read more

TESS Satellite Uncovers Its 'First Nearby Super-Earth'

NASA's Transiting Exoplanet Survey Satellite (TESS), a mission designed to comb the heavens for exoplanets, has discovered its first potentially habitable world outside of our own solar system ... read more

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