The company will try to catch the giant booster of its moon and Mars rocket for a second time on Tuesday afternoon.

As far as we know, the Earth has only been hit once by something large enough to cause worldwide destruction since animals ...

Discover the Sun’s incredible heat, its layers, and what fuels it. Explore ExtremeTech’s in-depth article and get closer to ...

In 2023, the Pentagon awarded Lockheed Martin a $33.7 million contract to develop nuclear propulsion technologies, as part of the Joint Emergent Technology Supplying On-Orbit Nuclear (fittingly ...

The Geminids — the year's best, last and least talked about multicolored meteor shower — has started and could see up to 150 ...

Humanity is better prepared than ever before to prevent a large asteroid from crashing into Earth, but there's more work, and ...

Saturn has the most moons of any planet in the Solar System. Thousands of moonlets, perhaps tens of meters long, orbit in a ...

Ever since William Herschel discovered Uranus in 1781, astronomers have been eager to find new planets on the outer edge of ...

Even JWST can’t separate these tiny planets from their host stars – as they orbit their stars too closely. But there is a way ...

Engineers from China have surmounted obstacles and built a system consisting of seven emitting devices and their experimental firings have confirmed that it can effectively suppress signals of the US ...

The goal of the Parker Solar Probe mission is to investigate the mysteries of the sun's corona, its outer atmosphere. What ...

What Are Mini-Moons? Mini-moons are asteroids or space debris that temporarily enter Earth’s gravitational influence, moving ...