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.
Around 80 million years ago, as tyrannosaurs ruled the Northern Hemisphere, Llukalkan aliocranianus – or the ‘one who causes fear’ – flourished in the southern continents.
In early 2020, satellite data showed a decline in air pollution coinciding with Covid lockdowns. One year later, as lockdown restrictions loosen and regular activity resumes, air pollution is bouncing back to pre-Covid levels.
A new animation illustrates how Antarctica was linked to its ancient neighbors – today’s Australia, India and South Africa – as part of the ancient Gondwana supercontinent.
On Friday, March 5, two astronauts will perform the 2nd in a pair of International Space Station spacewalks to ready the station for solar array upgrades. How to watch live.