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Space Exploration Dec 28, 2024

NASA's Parker Solar Probe sets new record for sun proximity

Operations teams have confirmed NASA's mission to "touch" the sun survived its record-breaking closest approach to the solar surface on Dec. 24, 2024.

Planetary Sciences Dec 16, 2024

DAVINCI mission's many 'firsts' aim to unlock Venus's hidden secrets

NASA's DAVINCI—Deep Atmosphere Venus Investigation of Noble gases, Chemistry, and Imaging—mission embodies the spirit of innovation and exploration that its namesake, Leonardo da Vinci, was famous for.

Astrobiology Dec 9, 2024

A technosignature that could detect an extraterrestrial civilization's reliance on nuclear fusion

Extraterrestrial civilizations need a great deal of energy as they advance up the Kardashev scale. Fossil fuels are finite, wind and solar energy are carbon free but not as efficient as fossil fuels, and traditional nuclear ...

Astronomy Dec 5, 2024

A rare Venus solar transit helps unravel exoplanet atmospheres

In the next decade, researchers will start probing the atmosphere of planets as small as Earth and Venus orbiting nearby stars. But although these two solar system planets are similar in size and bulk density—so that some ...

Space Exploration Dec 5, 2024

Could we use an asteroid to shield astronauts on their way to Mars?

Radiation is a primary concern for long-duration human spaceflight, such as the planned trips to Mars, which are the stated goal of organizations such as NASA and SpaceX. Shielding is the standard way to protect astronauts ...

Astrobiology Dec 2, 2024

Astronomers deal a blow to theory that Venus once had liquid water on its surface

A team of astronomers has found that Venus has never been habitable, despite decades of speculation that our closest planetary neighbor was once much more like Earth than it is today.

Planetary Sciences Nov 26, 2024

Three ways to track Venusquakes, from balloons to satellites

Instruments aboard robotic landers have measured seismicity on the moon and Mars, helping researchers learn about the inner workings of those celestial bodies. But the internal makeup of Venus is still not known, in part ...

Astrobiology Nov 6, 2024

Examining how stellar threats impact the habitable zone of exoplanets

When we think of exoplanets that may be able to support life, we home in on the habitable zone. A habitable zone is a region around a star where planets receive enough stellar energy to have liquid surface water. It's a somewhat ...

Astronomy Nov 5, 2024

Viewpoint: Carl Sagan's scientific legacy extends far beyond 'Cosmos'

On Nov. 9, 2024, the world will mark Carl Sagan's 90th birthday—but sadly without Sagan, who died in 1996 at the age of 62.

Planetary Sciences Nov 5, 2024

Study of Venus's Haasttse-baad Tessera suggests formation by two large impacts

A trio of geologists and environmental scientists from Universidad Rey Juan Carlos, Lawrence Livermore National Laboratory, and the University of Minnesota has found evidence suggesting that the Haasttse-baad Tessera formation ...

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