The coming decades of space exploration hinge on a single, stubborn number: the 225 million kilometres between Earth and Mars ...

"We support NASA's decision to fly the Artemis 2 mission with its current heat shield and are committed to seeing Orion safely launch and return on its historic mission to the moon with crew onboard." ...

The United States flew a reactor in space in the 1960s and has studied nuclear thermal propulsion for decades. Fuel is not the primary limitation either; the enriched uranium supply chain is ...

In an operation called Operation Windlord, three C-17 Globemaster aircraft transported eight modules of the Ward 250 microreactor from California to Utah.

The Departments of Energy and Defense partnered with Valar Atomics to transport a mini reactor from California to Utah. Read more.

Over the weekend, SpaceX CEO Elon Musk reacted to comments from former Google CEO Eric Schmidt, who warned the U.S. needs an additional 92 gigawatts of power to sustain artificial intelligence growth.

These advancements in China’s reusable rocket and lunar exploration programs come as NASA prepares to launch a crew of four astronauts on a loop around the far side of the Moon as soon as next month.

Sending a mission to the solar gravitational lens (SGL) is the most effective way of actually directly imaging a potentially ...