Kerbal Space Program is a realistic space simulator with humor. Play for free via Steam, build rockets, explore planets and conquer the Universe.

A newly discovered galaxy is shaking up what we know about the early universe, challenging our understanding of how stars and galaxies formed after the Big Bang.

The universe is vast, mysterious, and more mind-blowing than we can ever imagine. In this video, we explore some of the most fascinating and little-known facts about space that reveal just how ...

Invictus program targets Mach 5 spaceplane with SABRE engine, blending jet and rocket modes for advanced aerospace innovation.

As the universe continues to expand, the distribution of heat energy thins out, leaving space a freezing void between celestial bodies.Disclaimer: This video is intended for educational and ...

A bankrupt company’s propulsion system for hypersonic planes is being revived by Invictus, a new European Space Agency (ESA)-backed project aiming to build and fly a hydrogen-powered spaceplane ...

With the universe constantly expanding, scientists have a hard time finding where its center is.

People have been asking why space is dark despite being filled with stars for so long that this question has a special name – Olbers’ paradox. Astronomers estimate that there are about 200 ...

Nowadays, the dark of night is interspersed with the light of stars. But before the stars were born, did light shine at the beginning of the universe? The short answer is "no." But the long answer ...

For years, astronomers have been working to piece together the story of our universe, but the critical early chapters remained largely incomplete. Our telescopes simply haven't been sensitive ...

SpaceX SpaceX has just shared a short video showing a test firing of one of its six Starship engines in preparation for the rocket’s 10th flight test. “Single-engine static fire demonstrating ...

Physics The radical idea that space-time remembers could upend cosmology There are new hints that the fabric of space-time may be made of "memory cells" that record the whole history of the universe.