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A Partly Cloudy Exoplanet

Artist’s illustration of a cloudy exoplanet. A new study suggests that the Jupiter-like exoplanet 51 Eri b may have partly cloudy skies.

Mark Garlick/University of Warwick

Direct imaging of exoplanets was once only possible for the brightest of planets orbiting the dimmest of stars — but improving technology is turning

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NASA Closes Out Its Asteroid Redirect Mission

Following the release of the 2018 budget, the space agency has ordered an “orderly closeout” for the Asteroid Redirect program.

NASA's boulder-retrieval mission

NASA’s Asteroid Redirect Mission would have retrieved a boulder from the surface of an asteroid.

NASA

After years of study, NASA announced recently that its plan to retrieve an asteroid

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New Wrinkles in the Search for “Planet X”

Are astronomers being misled by the quirky alignment of orbits that they’re finding in the distant Kuiper Belt?

Even as the count of known planets around other stars continues to climb, a small group of observational astronomers and dynamicists are fixated on something much closer to home: tantalizing clues that

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Does the Milky Way Live in a Void?

A sparse galactic neighborhood could clear up certain problems with our understanding of the universe.

Cosmology has a minor problem on its hands. The universe is getting bigger over time, that much we know for sure. But measurements of how fast the universe is currently expanding depend on what you

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China Launches Its First X-ray Observatory

China’s Hard X-ray Modulation Telescope (HXMT), the country’s first X-ray observatory — not to mention its first astronomical satellite — headed to orbit last week.

HXMT

An artist’s conception of the HXMT in space.

Xinhua/China Academy of Sciences/SASTIND

China entered the orbital X-ray astronomy game last week as a Long March

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Hello, Saturn! We’re Glad You’re Back

Saturn, considered by many the most beautiful sight in the sky, comes to opposition this week with its rings in full tilt. You won’t want to miss it.

Summer's Star Planet

Saturn reaches opposition tomorrow when it makes its closest and brightest appearance of the year. You’ll find it tucked between Antares and

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Le VST capture un magnifique 3 en 1

eso1719fr — Communiqué de presse photo

14 juin 2017

Sur cette gigantesque nouvelle image de trois gigapixels acquise par le Télescope de Sondage (VST) du VLT de l’ESO figure, aux côtés de deux célèbres objets célestes, une troisième structure de renommée moindre – soit, de droite à gauche : le

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