Check out this sloth robot

SlothBot is a slow-moving and energy-efficient robot that can linger in the trees to monitor animals, plants, and the environment below.

Stunning images of the night

See the winners of the International Dark-Sky Association (IDA) 1st annual photography contest.

Saharan-fed sunsets in the US

A massive Saharan dust plume is moving into the southeast US, bringing technicolor sunsets and suppressing tropical storms.

Plastic rain: More than 1,000 tons of microplastic rain onto western US

New research finds that microplastics are emitted into the atmosphere.

Study reveals biggest Yellowstone supervolcano eruption

The new study also suggests that the supervolcano under Yellowstone National Park was much more explosive in its early history and could be slowing down.

How much oxygen comes from the ocean?

At least half of Earth’s oxygen comes from the ocean.

Hummingbirds see colors we can only imagine

"Our experiments enabled us to get a sneak peek into what the world looks like to a hummingbird," one scientist said.

Will large parts of Earth be too hot for people in 50 years?

Inhospitably hot regions on Earth occupy about 0.8% of the globe now. New research indicates that - if greenhouse gas emissions continue unabated - these regions may expand to something more like 19% by 2070.

Celebrate solstice sunrise at Stonehenge live online

This year, solstice celebrations at Stonehenge monument are canceled due to Covid-19. But for the 1st time, you can celebrate the 1st sunrise of summer from Stonehenge online.

Where is the largest waterfall on Earth?

The world’s largest waterfall is in the ocean, beneath the Denmark Strait.

Matching Donation Campaign

Exciting news! EarthSky received a $50,000 gift, with a request that it be used to collect matching funds. Please help us meet this match by donating to EarthSky today!

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