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This NASA/ESA/CSA James Webb Space Telescope Picture of the Month brings us a scene from the distant universe. Pictured here is the galaxy cluster MACS J1149.5+2223, or MACS J1149 for

As America approaches its 250th anniversary of declaring independence, NASA’s Artemis II mission will carry a host of mementos that reflect the nation’s long tradition of exploration, innovation, and leadership

To land on the right foot on the Red Planet, European engineers have been dropping a skeleton of the four-legged ExoMars descent module at various speeds and heights on simulated

Astronomers from the National Research Institute of Astronomy and Geophysics (NRIAG) in Cairo, Egypt, have investigated a young open cluster known as Czernik 38. As a result, they found a

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