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How can scientists estimate the pH level of Enceladus’ subsurface ocean without landing on its surface? This is what a study recently posted to the arXiv preprint server hopes to

Astronomers have discovered a vast, dense cluster of massive galaxies just 1 billion years after the Big Bang, each forming stars at an intense rate from collapsing clouds of dust.

By analyzing the data from ESA’s Gaia satellite, Chinese astronomers have investigated the structure of a nearby open cluster known as NGC 752. The new study identified four substructures and

One of the most stubborn issues in cosmology today concerns the universe’s rate of expansion. Scientists know it’s expanding, but defining the rate of that expansion is challenging. The rate

For the first time in 25 years of continuous crewed operations, an astronaut has been medically evacuated from the International Space Station (ISS). The Crew-11 mission ended when a SpaceX

Additive manufacturing, more commonly known as 3D printing, will be an absolutely critical technology for any long-term settlement on another world. Its ability to take a generic input, such as

NASA on Saturday rolled out its towering SLS rocket and Orion spacecraft as it began preparations for its first crewed mission to the moon in more than 50 years.

A mysterious bar-shaped cloud of iron has been discovered inside the iconic Ring Nebula by a European team led by astronomers at University College London (UCL) and Cardiff University.

NASA’s giant new moon rocket headed to the launch pad Saturday in preparation for astronauts’ first lunar fly-around in more than half a century.