Imagine floating outside a spacecraft on a routine spacewalk when something goes terribly wrong. Your helmet suddenly comes ...

Sugars are crucial components of RNA and DNA, the basis of all known organisms alive today. In a new study, the sugar ...

As the UK wraps up its year as the chair of the Inter-Agency Space Debris Co-ordination Committee, KATE ARKLESS GRAY asks how close are we to making space inaccessible?

Former NASA strategist Patrick Besha says Congress and the space industry must respond as China gains ground in lunar exploration efforts.

Private citizens and companies may one day begin to permanently settle outer space and celestial bodies. But if we don’t enact governing laws in the meantime, space settlers may face legal chaos. Many ...

Astrophysicist Paul Sutter talks about the science behind "Three Body Problem," "Interstellar," and "Avengers: Infinity War." ...

"Decades of rapidly expanding space activity have shown that each launch leaves an environmental footprint, and it can take a long time to understand the impact fully. This is why it is so crucial to ...

As artificial intelligence demands unprecedented computational power, computing is expanding beyond Earth into orbit-based data centers and laser-driven communication networks. In this new frontier, ...

Tom Mueller built the rocket engines that gave Elon Musk outer space. Now, the world’s greatest propulsion engineer is racing to create a cosmic courier service. Tom Mueller is driving his candy green ...

A simple look at how scientists describe the color of outer space.