China's reusable Shenlong space plane launched on its fourth space mission earlier this month. What is it doing in Earth ...

NASA’s Parker Solar Probe has spent the past year repeatedly diving into the sun’s outer atmosphere at speeds no human-made ...

Voyager 1’s sudden return to coherent communication has turned a near-elegy for the spacecraft into a fresh scientific mystery, as engineers confront strange gaps and glitches in the data streaming ...

Since the 1950s, humanity has been searching for extraterrestrial life with increasingly sophisticated tools. But after decades of space probes, meteorite analysis, radio telescopes, and UFO ...