Sign Up for Our Amazing Newsletter!
A daily update by email. Science news, great photos, sky alerts.
Your email address will only be used for EarthSky content.
Privacy Policy
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
EarthSky
One Earth. One Sky. EarthSky.
Tonight
Space
Earth
Human World
Best Places to Stargaze
EarthSky Community Photos
About
Store
Donate
Contact Us
Subscribe
Tonight
Tonight
Brightest Stars
Astronomy Essentials
Moon Phases
Clusters Nebulae Galaxies
Favorite Star Patterns
Constellations
Astronomy Essentials
Zodiacal light: Start watching for it now
Deborah Byrd
September 10, 2026
Astronomy Essentials
Tonight
Visible planets and night sky guide for September
Marcy Curran
September 10, 2026
Brightest Stars
Delta Cephei helps measure cosmic distances
Bruce McClure
September 10, 2026
Space
Sun
Earth
Human
Human
Spaceflight
Best Places to Stargaze
Community Photos
View Community Photos
Trending
Submit a Photo
About
Store
Donate
Home
/
Categories
/
Category: Earth
Rob Dunn warns of coextinction of hundreds of thousands of species
Hundreds of thousands of tiny and unknown species are vanishing from Earth at an unprecedented rate, says Rob Dunn.
Lindsay Patterson
December 14, 2009
Jon Foley on potentially irreversible damage to planet
"It's the proverbial Humpty Dumpty problem - when you fall over the wall, you can't put it back together again," says Jon Foley.
Lindsay Patterson
December 14, 2009
Chelle Gentemann studies the living ocean from space
Chelle Gentemann uses satellite mapping of the ocean to help protect marine life - animals such as loggerhead turtles, salmon, and whales.
Jorge Salazar
December 14, 2009
Bob Reed: ‘Giant snakes are here now, doing ecological damage’
Bob Reed said scientists are currently concerned about South Florida ecosystems, where Burmese Pythons now threaten vulnerable native species.
Lindsay Patterson
December 14, 2009
What we know about climate change
With all the talk about climate this week, it's a good time to revisit what we do know about climate change.
Dan Kulpinski
December 11, 2009
Rajendra Pachauri says climate change is real and caused by humans
Rajendra Pachauri spoke with EarthSky's and said, since 1990, experts have documented over 25,000 examples of climate change.
Jorge Salazar
December 10, 2009
Why the media doesn’t talk about population
In past decades, "population control" and "overpopulation" were at the tip of everyone's tongues. So why don't we talk about population anymore?
Lindsay Patterson
December 8, 2009
Andrew Knoll: ‘Mass extinction is accurate description of how world is changing now’
Andrew Knoll has been working with biologists to try to put into perspective what he called today's catastrophic loss of biodiversity.
December 7, 2009
Marc Imhoff celebrates 10 years of Terra satellite
The Terra mission has been productive in providing data that is extremely useful, even after 10 years of being up there," says Marc Imhoff.
Jorge Salazar
December 7, 2009
John Wiltshire explores growing Hawaiian island
John Wiltshire uses research vessels to survey the new craters and landslides. He uses underwater robots, to explore the emerging island.
Lindsay Patterson
December 7, 2009
Previous
406 / 427
Next