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Eleanor Imster

Manasquan Reservoir reflections

Photo by John Entwistle.

Photos: Observe the Moon Night

Saturday night is International Observe the Moon Night, and EarthSky community members from around the world sent photos, reminding us that we all see the same moon.

A potential human habitat on the moon?

A new study says a hole in the moon’s Marius Hills region is the skylight of an underground lava tube large enough to house a city.

Star trails over Smiths Falls

Fiona M. Donnelly captured this image on October 21. 2017, in Smiths Falls, Ontario. She wrote, “Our Earth’s rotation during a one-hour period.”

Blue jets, red sprites and other flashes

In recent years, the International Space Station has given astronauts the chance to photograph transient luminous events – or TLEs – natural light shows produced at the tops of thunderstorms.

Lone fisherman at Echo Lake

A fisherman at Echo Lake, New Hampshire, surrounded by the colors of this year’s beautiful autumn.

Alligators eat sharks

Jaws beware! Alligators might be coming for you, according to new research.

Watch ISS spacewalk October 20

Friday’s is the last of 3 spacewalks by International Space Station astronauts this month.

Whales and dolphins live ‘human-like’ lives

They work together, talk to each other and use tools. A new study links the complexity of Cetacean culture and behavior to the size of their brains.

Traveling to Mars? Top 6 health challenges

NASA aims to have humans on Mars by the 2030s. The people making the long space journey will experience health risks they’ve never faced before.