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Eleanor Imster

Eleanor Imster

Eleanor Imster has helped write and edit EarthSky since 1995. She was an integral part of the award-winning EarthSky radio series almost since it began until it ended in 2013. Today, as Lead Editor at EarthSky.org, she helps present the science and nature stories and photos you enjoy. She also serves as one of the voices of EarthSky on social media platforms including Facebook, Twitter and G+. She and her husband live in Tennessee and have two grown sons.

Scientists describe 229 new species in 2018

By in Earth | 2 days ago
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The list includes neon fish, a fast-spinning spider, moray eels, venomous snakes, and more!

Voyager 2 enters interstellar space

By in Space | 3 days ago
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NASA announced Dec. 10 that for the 2nd time in history, a human-made object has reached the space between the stars.

Listen to the Martian wind

By in Space | 4 days ago
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NASA’s InSight lander has captured the 1st-ever sounds of Martian winds.

Moon and Venus over Isle of Wight

By in Today's Image | 6 days ago
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Venus reached its brightest last week, just as the waning moon swept past.

Radio search finds no artificial emissions from ‘Oumuamua

By in Space | 7 days ago
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“We were looking for a signal that would prove that this object incorporates some technology.”

Prehistoric cave art suggests ancient use of complex astronomy

By in Human World | 1 week ago
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As far back as 40,000 years ago, cave-dwellers in what’s now Turkey, Spain, France and Germany all used a method of date-keeping based on the stars. Some of their cave paintings aren’t just depictions of wild animals; instead they represent constellations in the night sky.

A measurement of all the starlight ever produced

By and in Space | 1 week ago
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How much starlight has our universe produced? According to a new study, stars have radiated 4×1084 photons since the start of the universe 13.7 billion years ago. That’s the number 4 with 84 zeros behind it.

OSIRIS-REx spacecraft arrives at Bennu

By in Space | 1 week ago
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After traveling through space for more than 2 years, NASA’s OSIRIS-REx spacecraft arrived on Monday at its destination, asteroid Bennu.

Live coverage of spacecraft arrival at asteroid December 3

By in Space | 2 weeks ago
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The OSIRIS-REx spacecraft is scheduled to rendezvous with its targeted asteroid, Bennu, on Monday, December 3, 2018, at approximately 17:00 UTC (noon EST).

Take 2 trips around Earth, from space

By in Space | 2 weeks ago
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It’s been 20 years since the launch of the International Space Station. To celebrate, enjoy this video timelapse of 2 trips around Earth, via ISS astronaut Alexander Gerst. Longest-yet timelapse from space!