Astronauts aboard the International Space Station were directed into their docked Soyuz escape craft after the air leak rate in the Russian Zvezda service module’s transfer tunnel doubled to roughly two pounds per day.

A part of Canadarm2 robotic arm on the ISS broke in May, requiring repairs by spacewalking astronauts no earlier than June 30. A spare is already on the station.

The 1967 Outer Space Treaty mandates peaceful exploration of space, but that's not the only space agreement going around.

Scientists working with material collected from asteroid Bennu have found a sticky, gum-like organic substance never before observed in any meteorite or space sample, alongside an unexpectedly large concentration of dust grains produced inside ancient supernovae.

NASA named the astronauts who will launch on its Artemis 3 mission next year to test docking procedures in Earth orbit ahead of a planned moon landing in 2028.

NASA pushed its Deep Space Network beyond its limits during the Artemis I mission nearly four years ago. The global array of deep space communications antennas couldn’t keep up with the routine demands of 40 robotic science missions and the extraordinary surge required by NASA’s Orion space capsule as it flew around the Moon.

Parker's instruments are gathering measurements while the Sun is in an active phase of its 11-year solar cycle, a period marked by increased solar eruptions and flares.

Sunita Williams is part of a team of former NASA astronauts and senior officials taking part in a week long space programme for Scottish school pupils run by Strathclyde University