Human World | EarthSky

Space-based solar power: How close to reality?

By Deanna Conners in Earth | Human World | 3 weeks ago

The technology is further along than you might think for capturing solar energy in space – where the sun always shines – and beaming it to Earth.

The vanishing of the 1st American dogs

By Eleanor Imster in Earth | Human World | 3 weeks ago

“It is fascinating that a huge population of dogs that inhabited all corners of the Americans for thousands of years could have disappeared so rapidly.”

Amazing Kilauea volcano imagery you might have missed

By EarthSky in Earth | Human World | 4 weeks ago

For more than 2 months, lava has been pouring from Hawaii’s Kilauea volcano, destroying homes and remaking the land. A compilation of photos and videos, here.

Apollo and the moon-landing hoax

By Deborah Byrd in Human World | Space | 4 weeks ago

Why do people persist in denying that human beings landed on the moon?

Today in science: 1st footsteps on moon

By Deborah Byrd in Human World | Space | 4 weeks ago

Today is the 49th anniversary of humanity’s historic first steps on the moon. The story in pictures, here.

Is the moon toxic to humans?

By EarthSky Voices in Human World | Space | 4 weeks ago

When the Apollo astronauts returned from the moon, the dust that clung to their spacesuits made their throats sore and their eyes water. Lunar dust is made of sharp, abrasive particles, but how toxic is it for humans?

Whoa! Flash flood footage from Utah

By Deborah Byrd in Earth | Human World | 1 month ago

Amazing flash flood footage from Utah, July 16, 2018.

Ghostly neutrino caught in South Pole ice ushers in a new astronomy

By EarthSky Voices in Human World | Space | 1 month ago

Last week, scientists announced the 1st known source for ghostly, high-energy neutrinos. The source is a blazar, a billion-solar-mass black hole 3.7 billion light-years away. The discovery establishes a new way to study the universe.

Scared yet? 2018 has 2 Friday 13ths

By Bruce McClure in Human World | 1 month ago

This Friday the 13th comes exactly 13 weeks after 2018’s first Friday the 13th, in April. The whats, whens and whys of Friday the 13th.

From Pluto, Earth to transit sun on July 12

By Bruce McClure and Deborah Byrd in Astronomy Essentials | Human World | 1 month ago

Earth transits seen from Pluto are rare. The last one happened in 1931, a year after Clyde Tombaugh discovered Pluto. It won’t happen again for 161 years.