In a solar system called TRAPPIST-1, 40 light years from the sun, seven Earth-sized planets revolve around a cold star.
Astronomy
Sep 25, 2023
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A NASA spacecraft's six-month journey to Mars neared its dramatic grand finale Monday in what scientists and engineers hoped would be a soft precision landing on flat red plains.
Space Exploration
Nov 26, 2018
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The latest images of Jupiter from the James Webb Space Telescope (JWST) are stunners.
Astronomy
Aug 22, 2022
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863
Eight and a half years into its grand tour of the solar system, NASA's Voyager 2 spacecraft was ready for another encounter. It was Jan. 24, 1986, and soon it would meet the mysterious seventh planet, icy-cold Uranus.
Space Exploration
Mar 26, 2020
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5083
Mars once had oceans but is now bone-dry, leaving many to wonder how the water was lost. University of Arizona researchers have discovered a surprisingly large amount of water in the upper atmosphere of Mars, where it is ...
Astronomy
Nov 12, 2020
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Astronomers have used the NASA/ESA Hubble Space Telescope and the NASA Spitzer Space Telescope to study the atmospheres of ten hot, Jupiter-sized exoplanets in detail, the largest number of such planets ever studied. The ...
Astronomy
Dec 14, 2015
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New research from astronomers at the University of Washington uses 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 ...
Astronomy
Aug 14, 2019
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963
Among the most extreme planets discovered beyond the edges of our solar system are lava planets: fiery hot worlds that circle so close to their host star that some regions are likely oceans of molten lava. According to scientists ...
Astronomy
Nov 3, 2020
0
607
Planetary scientist Erdal Yiğit, with George Mason University, has published a Perspective piece in the journal Science suggesting that upper atmospheric interactions with solar wind cannot fully explain the loss of surface ...
Researchers have identified the first signature of a magnetic field surrounding a planet outside of our solar system. Earth's magnetic field acts as a shield against energetic particles from the sun known as the solar wind. ...
Astronomy
Dec 21, 2021
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