Search results for Planetary System

Astronomy 22 hours ago

Jupiter's upper atmosphere surprises astronomers

Using the NASA/ESA/CSA James Webb Space Telescope, scientists observed the region above Jupiter's iconic Great Red Spot to discover a variety of previously unseen features. The region, previously believed to be unremarkable ...

Astrobiology 22 hours ago

Detecting intelligent life that's light years away: Greenhouse gases could signal alien activity

If aliens modified a planet in their solar system to make it warmer, we'd be able to tell. A new UC Riverside study identifies the artificial greenhouse gases that would be giveaways of a terraformed planet.

Astrobiology Jun 24, 2024

Hydrothermal vents on seafloors of 'ocean worlds' could support life, new study says

We've all seen the surreal footage in nature documentaries showing hydrothermal vents on the frigid ocean floor—bellowing black plumes of super-hot water—and the life forms that cling to them. Now, a new study by UC Santa ...

Planetary Sciences Jun 24, 2024

Venus could be the perfect place to count meteors

Watching meteoroids enter the Earth's atmosphere and streak across the sky as the visual spectacle known as meteors, it is one of the most awe-inspiring spectacles on Earth, often exhibiting multiple colors as they blaze ...

Planetary Sciences Jun 24, 2024

Two large asteroids safely pass Earth just 42 hours apart

Two large asteroids will safely pass Earth this week, a rare occurrence perfectly timed to commemorate this year's Asteroid Day.

Planetary Sciences Jun 24, 2024

Astronomers find three potential super-Earths around nearby star

Astronomers have discovered three potential "super-Earth" exoplanets orbiting a relatively nearby orange dwarf star. This groundbreaking find was made by an international team of researchers led by Dr. Shweta Dalal from the ...

Social Sciences Jun 23, 2024

Tax the rich, say a majority of adults across 17 G20 countries surveyed

A new survey of adult citizens in 18 of the world's largest economies has revealed majority support for tax reforms and broader political and economic reform. (Not all questions were asked in China, as indicated when findings ...

Planetary Sciences Jun 20, 2024

ExoMars Trace Gas Orbiter image exposes iron, magnesium and aluminum on Mars surface

Rusty in appearance and magnificent in detail, a new image of the Mawrth Vallis region on Mars reveals a world rich in iron, magnesium and aluminum.

Planetary Sciences Jun 20, 2024

Iron meteorites hint that our infant solar system was more doughnut than dartboard

Four and a half billion years ago, our solar system was a cloud of gas and dust swirling around the sun, until gas began to condense and accrete along with dust to form asteroids and planets. What did this cosmic nursery, ...

Space Exploration Jun 20, 2024

Drone racing prepares neural-network AI for space

Drones are being raced against the clock at Delft University of Technology's "Cyber Zoo" to test the performance of neural-network-based AI control systems planned for next-generation space missions.

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