Moss spores spent nine months strapped to the outside of the International Space Station, exposed to vacuum, cosmic radiation, temperature swings from minus 196°C to 55°C, and unfiltered solar ultraviolet

The world’s gravitational wave detectors just wrapped up their longest and most productive observation campaign, capturing 250 new collisions over two years of continuous listening. These ripples in spacetime, created

Using in-situ propellant has been a central pillar of the plan to explore much of the solar system. The logic is simple – the less mass (especially in the form

Two orbiters and a rover captured images of the interstellar object — from the closest location any of the agency’s spacecraft may get — that could reveal new details.

Blue Origin announced a series of upgrades to New Glenn designed to increase payload performance and launch cadence, while enhancing reliability. The enhancements span propulsion, structures, avionics, reusability, and recovery

About 4.5 billion years ago, the most momentous event in the history of Earth occurred: a huge celestial body called Theia collided with the young Earth. How the collision unfolded