The Moon is 384,400 km (238,855 miles) from Earth on average. Learn how the distance changes, how long it takes to travel there, and what scientists have discovered.

The Eta Aquarid meteor shower peaks overnight on May 5–6, 2026. Learn when and where to watch, how many meteors to expect, and why these shooting stars come from Halley’s Comet.

The Eta Aquarid meteor shower peaks May 5–6, 2026, with the best viewing before dawn. Learn when to watch, plus NASA’s Psyche Mars flyby and the Artemis Accords update.

Stars are made primarily of hydrogen (73%) and helium (25%). These two lightest elements power nuclear fusion, forge every atom in the universe, and are the reason life on Earth exists.

The 2026 Eta Aquarids meteor shower peaks on the night of May 5–6. Learn when to watch, how many meteors to expect, and tips to see Halley’s Comet debris streak across the sky.

May 2026 is packed with space events: asteroid Vesta at opposition, the Eta Aquariids meteor shower, NASA’s Psyche flyby of Mars, and the ESA-CAS SMILE mission launch.

A blue moon is the second full moon in a single calendar month. The next blue moon rises on May 31, 2026 — and it’s also a Micromoon. Here’s what that means.

The Eta Aquariids meteor shower peaks May 5–6, 2026. Learn what causes it, how many meteors to expect, and how to watch Halley’s Comet debris light up the sky.

Explore Today in Space — a live dashboard of ISS, Mars, space weather, launches, and asteroids. Check real-time sky data now.