NASA’s new moon rocket suffered another setback Saturday, putting next month’s planned launch with astronauts in jeopardy.

Drawing together leading experts from across the field, an international collaboration of cosmologists has created a unified approach for measuring the value of the Hubble constant. Published in Astronomy &

As space agencies prepare for human missions to the moon and Mars, scientists need to understand how the absence of gravity affects living cells. Now, a team of researchers has

Advances in supercomputing have made solving a long‐standing astronomical conundrum possible: How can we explain the changes in the chemical composition at the surface of red giant stars as they

Space junk returning to Earth is introducing metal pollution to the pristine upper atmosphere as it burns up on re-entry, a new study has found.

A stream of charged particles known as the solar wind flows from the sun toward Earth. Here, it meets Earth’s magnetic fields, which shield our planet like a giant umbrella.