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Space Exploration Mar 28, 2024

NASA's mission to an ice-covered moon will contain a message between water worlds

NASA's Europa Clipper spacecraft, headed to Jupiter's ice-covered moon Europa in October 2024, will carry a laser-etched message that celebrates humanity's connection to water. The message pays homage to past NASA missions ...

Planetary Sciences Mar 26, 2024

New nearby mini-Neptune exoplanet discovered

An international team of astronomers reports the discovery of a new mini-Neptune exoplanet orbiting a nearby star. The newfound alien world, designated TOI-4438 b is about 2.5 times larger than the Earth. The finding was ...

Astrobiology Mar 19, 2024

Planetary geophysics: What is it? What can it teach us about finding life beyond Earth?

Universe Today has examined the importance of studying impact craters, planetary surfaces, exoplanets, astrobiology, solar physics, comets, and planetary atmospheres, and how these intriguing scientific disciplines can help ...

Space Exploration Mar 18, 2024

As Voyager 1's mission draws to a close, one planetary scientist reflects on its legacy

For nearly 50 years, NASA's Voyager 1 mission has competed for the title of deep space's little engine that could. Launched in 1977 along with its twin, Voyager 2, the spacecraft is now soaring more than 15 billion miles ...

Space Exploration Mar 14, 2024

Danish chef to launch gourmet dining to stratosphere

Danish chef Rasmus Munk wants to take high-end cuisine to the edge of space, with plans to serve up a stratospheric dining experience in 2025, his restaurant said Thursday.

Planetary Sciences Mar 11, 2024

This hot Jupiter is doomed to crash into its star in just three million years

In 2008, astronomers with the SuperWASP survey spotted WASP-12b as it transited in front of its star. At the time, it was part of a new class of exoplanets ("hot Jupiters") discovered a little more than a decade before. However, ...

Planetary Sciences Mar 6, 2024

Scientists use James Webb Space Telescope to uncover clues about Neptune's evolution

A ring of icy rocks orbiting our sun just beyond Neptune may give us a glimpse of how Neptune—and other objects in the outskirts of our solar system—were formed.

Astronomy Mar 6, 2024

Subaru Telescope discovers the faintest moon around icy giant planets

Using some of the largest telescopes in the world, including the Subaru Telescope, a team of astronomers discovered three new natural satellites orbiting the outermost planets in our solar system—one around Uranus and two ...

Planetary Sciences Feb 23, 2024

If Hycean worlds really exist, what are their oceans like?

Astronomers have been on the hunt for a new kind of exoplanet in recent years—one especially suited for habitability. They're called Hycean worlds, and they're characterized by vast liquid water oceans and thick hydrogen-rich ...

Astronomy Feb 20, 2024

NASA's New Horizons detects dusty hints of extended Kuiper Belt

New observations from NASA's New Horizons spacecraft hint that the Kuiper Belt—the vast, distant outer zone of our solar system populated by hundreds of thousands of icy, rocky planetary building blocks—might stretch ...

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