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Posts by
Eleanor Imster
Ghost of a dying star
This glowing bubble is the Southern Owl Nebula - the remnants of a dying star.
August 20, 2015
As summer starts to fade …
The night of August 17, around 2:30 a.m. in the Adirondacks region of New York. Photo by Jennifer Khordi Thank you Jennifer!
August 19, 2015
Astronomers find teeny supermassive black hole
In a dwarf galaxy 340 million light years away, astronomers have found the smallest black hole ever observed in the center of a galaxy.
August 17, 2015
Cassini’s last close flyby of Saturn moon Dione today
The Cassini spacecraft will zip past Saturn's moon Dione on Monday, August 17 . It will be the spacecraft's final close flyby of this icy satellite.
August 17, 2015
Milky Way over Paint Mines
Milky Way rising over the Paint Mines Interpretive Park near Calhan, Colorado. Photo by John Skiba.
August 14, 2015
Charting the slow death of the universe
A study of 200,000 galaxies found they had lost half their energy in just 2 billion years.
August 13, 2015
Astronomers measure most distant galaxy
The galaxy, called EGSY8p7, is about 13.2 billion light-years away. That means astronomers are now seeing it as it existed just 600 million years after the Big Bang.
August 10, 2015
Video: Cruise over dwarf planet Ceres
Take a tour of weird Ceres! Visit the mysterious bright spots and a 4-mile-tall mountain. And get your red/blue glasses out for a global view in 3D.
August 7, 2015
How sunlight pushes asteroids
What makes the difference between a near-miss asteroid and a potential hit? Scientists think it might be related to a force called the Yarkovsky effect.
August 6, 2015
Why haven’t earthquakes toppled these balancing rocks?
Scientists say they've solved the riddle of why a collection of balancing rocks near the San Andreas fault has never been knocked over by earthquakes.
August 6, 2015
