As the 100th woman to travel to space, Calandrelli isn't just celebrating personal achievement — she's using her journey to inspire others and push the boundaries of STEM accessibility.

Structures known as "zippers" and "twisters" in the early universe may explain why dwarf galaxies tend to line up with each other, as well as hint at how dark matter operates in the universe.

Space weather forecasting doesn't yet command the same resources as Earth weather forecasting, even though the stakes are growing.

On May 20, 1978, NASA launched a spacecraft to Venus.

The first of 2025's two Predator movies is an animated anthology which is looking even bloodier and more action-packed in its second trailer.

Follow Space.com's rocket launch blog for the latest on when the next rocket launch will be and how to follow it live.