A team of scientists says it’s possible to use tiny ripples in space and time, or gravitational waves, to measure the rate at which our universe is expanding. This could

The European Space Agency’s JUICE spacecraft got its first detailed view of interstellar comet 3I/ATLAS, capturing a glowing coma and sweeping tail. (Image credit: ESA/Juice/JANUS) A spacecraft bound for Jupiter

NASA’s Chandra X-ray Observatory has transformed new telescope views of Jupiter, Saturn and Uranus from this month’s “planetary parade” into striking soundscapes — capturing everything from Jupiter’s crackling auroras to