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SpaceX founder Elon Musk now says he wants to build a city on the moon before building a city on Mars. Is either scenario realistic? In the latest episode of

Results are coming out from the samples returned by China’s Chang’e-6 sample return mission to the far side of the Moon. They offer our first close-up look at the geology

A complex web of interrelated factors make Earth a life-supporting planet, and some of those factors are chemical. New research shows how oxygen abundance regulates the availability of the important

The Moon has a busy next two weeks ahead of it. Fresh off of Tuesday’s annular solar eclipse, the Moon begins an evening tour of the planets in the last

Dark energy is one of those cosmological features that we are still learning about. While we can’t see it directly, we can most famously observe its effects on the universe

After five years of development and a nail biting launch from Antarctica, the PUEO experiment has completed a 23 day balloon flight at the edge of space, hunting for some

Astronomers have solved the mystery of a star that dimmed dramatically for nearly 200 days, one of the longest stellar dimming events ever recorded. The culprit appears to be either

New research has revealed that Mars’ most recent volcanoes weren’t formed by simple, one off eruptions as scientists previously thought. Instead, these volcanic systems evolved over millions of years, fed

On 14 January, 2025, two colliding black holes sent the clearest gravitational wave signal ever recorded rippling across the universe to Earth’s detectors. This remarkably crisp signal, designated GW250114, has

Astronomers have discovered a massive galaxy cluster assembling itself just one billion years after the Big Bang, there’s just one problem… it shouldn’t exist! Current models suggest it shouldn’t have