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Space Exploration 4 hours ago

Artemis III core stage receives thermal protection coating

NASA completed another step to ready its SLS (Space Launch System) rocket for the Artemis III mission as crews at the agency's Michoud Assembly Facility in New Orleans recently applied a thermal protection system to the core ...

Planetary Sciences May 8, 2025

A single impact could leave a giant planet ringing for millions of years

To understand how chaotic the early solar system was, we need only gaze at the moon. Its cratered surface bears the scars of multitudes of collisions. The early solar system was like a debris field where objects smashed into ...

Planetary Sciences May 7, 2025

Improving in-situ analysis of planetary regolith with OptiDrill

What new technologies or methods can be developed for more efficient in-situ planetary subsurface analyses? This is what a recent study presented at the 56th Lunar and Planetary Science Conference hopes to address as a team ...

Astrobiology Apr 30, 2025

Ancient metabolic process recreated: Iron and sulfur reactions in simulated black smokers shed light on early life

The very first cells obtained their energy from geochemical reactions. LMU researchers have now managed to recreate this ancient metabolic process in their laboratory.

Astronomy Apr 30, 2025

Is this the first hint of Planet Nine?

The solar system consists of our star, the sun, and everything bound to it by gravity: the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune, along with dwarf planets like Pluto, dozens of moons, and ...

Planetary Sciences Apr 24, 2025

Super-Earths are common outside the solar system, new study shows

An international team including astronomers from the Center for Astrophysics | Harvard & Smithsonian (CfA) has announced the discovery of a planet about twice the size of Earth orbiting its star farther out than Saturn is ...

Planetary Sciences Apr 22, 2025

Planetary alignment provides NASA rare opportunity to study Uranus

When a planet's orbit brings it between Earth and a distant star, it's more than just a cosmic game of hide and seek. It's an opportunity for NASA to improve its understanding of that planet's atmosphere and rings. Planetary ...

Astrobiology Apr 21, 2025

A new concept for an astrobiology mission to Enceladus

This year's Lunar Planetary Science Conference (2025 LPSC) saw some truly astounding presentations and proposals. These covered a wide range of science and exploration missions that address the priorities of NASA, other space ...

Planetary Sciences Apr 18, 2025

Scientists probe the mystery of Titan's missing deltas

For scientists who want to learn about the geological history of a planet, river deltas are a great place to start. Deltas gather sediment from a large area into one place, which can be studied to reveal climate and tectonic ...

Astronomy Apr 16, 2025

Why some meteor showers are so unpredictable

Why do comets and their meteoroid streams weave in and out of Earth's orbit and their orbits disperse over time? In a paper published in the journal Icarus, two SETI Institute researchers show that this is not due to the ...

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