The SPHEREx mission will map the universe in both optical and near-infrared light. In the month since arriving at its orbit ...

May skies are brimming with action: shooting stars from Halley’s Comet, brilliant planets at dawn and dusk, and a once-in-a-lifetime nova that could light up the night sky any day now. Eta Aquarids & ...

Stargazers can see clusters of shooting stars and planets lighting up the California night sky in May. Stunning streams of comet dust will dash across the sky when the Eta Aquarid meteor shower ...