NASA safety advisers say they doubt the lunar lander version of SpaceX’s Starship will be ready to support the Artemis 3 ...

So do China and Russia. Here’s what you need to know about America’s new lunar-energy race ...

The company’s Starship rocket, which has suffered a series of recent test explosions, is still years away from being ready ...

The Earth stands alone in the solar system as a habitable world, as far as we know. But that doesn’t mean we don’t get visitors, most often in the form of (usually harmless) asteroids. Some even ...

That may be about to change: NASA is preparing a brand new mission that will travel 1 million miles away from Earth in order to map the boundaries of the heliosphere, offering clues to scientists ...

Faint hydrogen signals from the cosmic Dark Ages may soon help determine the mass of dark matter particles. Simulations suggest future Moon-based observatories could distinguish between warm and cold ...

A new NASA study suggests that solar activity will remain high or rise further in the coming decades, contradicting previous ...

While NASA's Solar Dynamics Observatory had its eye on the sun, it captured a unique lunar transit that makes it appear to ...

Most of us know our zodiac sign—but what if we told you it might be 2,000 years out of date? Because of Earth’s slow wobble, ...

Find out when the next full Moon will light up the night sky. Discover its phases and mysteries with ExtremeTech’s guide.