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Posts by
Eleanor Imster
Could invisible aliens exist among us?
The Earth might be crawling with undiscovered alien creatures whose biochemistry is very different from life as we know it. An astrobiologist explains.
January 16, 2020
2019 was Earth’s 2nd-hottest year on record
According to independent analyses by both NASA and NOAA, Earth's global surface temperatures in 2019 ranked 2nd-warmest since 1880.
January 16, 2020
Crab Nebula: Visualize an exploded star
A new NASA video combines visible, infrared and X-ray views of the famous Crab Nebula, a star that exploded into view in our sky 1,000 years ago.
January 14, 2020
$1 billion weather/climate disasters: 14 for US in 2019
NOAA reports that 2019 was the 5th consecutive year in which the United States experienced 10 or more $1 billion weather and climate disasters, including fires, hurricanes and flooding.
January 14, 2020
New Hubble view of gigantic galaxy
The Hubble Telescope released this glorious image of the spiral galaxy UGC 2885 on January 6. This image was made in part as a tribute to dark matter pioneer Vera Rubin.
January 13, 2020
Astronomers find wandering black holes in dwarf galaxies
They found massive black holes in 13 dwarf galaxies, which are now among the smallest galaxies known to host such massive black holes. In roughly half the galaxies, the black hole isn't at the galactic center, but instead is "wandering."
January 10, 2020
An impending Milky Way collision is already giving birth to new stars
A newly found young star cluster on the outskirts of our Milky Way seems to be made of material from the Magellanic Clouds. It appears the collision between the Clouds and our Milky Way may already be starting.
January 9, 2020
Red sprites over the Andes
Photographer Yuri Beletsky captured red sprites flashing over the Chilean Andes Mountains.
January 9, 2020
New view of Milky Way’s center
The SOFIA flying telescope has captured a new panoramic image of the center of our home galaxy, the Milky Way. The image shows a region more than 600 light-years across, revealing unprecedented details within the center's dense swirls of gas and dust.
January 8, 2020
Top 9 EarthSky stories of 2019
From the 1st landing on the moon's far side to the 1st actual image of a black hole, here’s a quick roundup of 9 of the stories our readers enjoyed most in 2019.
December 29, 2019
