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For Emily Calandrelli, known to many as “The Space Gal,” the dream of spaceflight began over 20 years ago. Last year, that dream became a reality. As the 100th woman

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

Researchers from Kyushu University in Japan have provided some new insights about the powerful geomagnetic storm that flared up last Mother’s Day, after a big solar storm hit Earth. The

First identified in the 1970s by NASA’s Viking mission, long, dark markings snake down Martian slopes, sometimes stretching across Mars’ surface for hundreds of feet. Scientists have watched some of

NASA’s Perseverance rover just made skywatching history. The car-sized Perseverance spied auroras in Mars’ skies in mid-March, becoming the first-ever spacecraft to witness such a light show from the surface