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Posts by
Kelly Kizer Whitt
The length of a day on Venus is always changing
Scientists have used radio waves to precisely measure Venus' spin rate and tilt on its axis. We knew the Venus day was exceedingly long, but now we know that the length of a day on Venus regularly changes in length!
May 5, 2021
Space rock found on Earth traced back to origins on Vesta
In 2018, a small asteroid crashed into Earth, and scientists recovered pieces of it in a Botswana game reserve. Now the scientists have determined the space rock's origin: Vesta, in the asteroid belt.
April 30, 2021
Lyrid meteor and Milky Way over Sedona
The expanse of the Milky Way is punctured by a Lyrid meteor in this incredible photograph taken from Sedona, Arizona, by Cecilia Ray.
April 27, 2021
Is there such a thing as earthquake season?
Researchers have found a connection between earthquakes in Taiwan and its dry and rainy seasons.
April 22, 2021
Martin Rees and Frederick Lamb on humanity’s fate
From nuclear weapons to biowarfare to cyberattacks, humanity has much to overcome. Martin Rees and Frederick Lamb discuss the obstacles we must face as we look forward to humanity's future on Earth.
April 22, 2021
New Horizons passes milestone distance 50 AU
On April 17, 2021, the New Horizons spacecraft passed 50 astronomical units - 50 times Earth's distance from the sun - while speeding toward interstellar space. It also captured an image of another earthly spacecraft, even farther out.
April 20, 2021
Moon-Mars occultation, from India
Some lucky skywatchers in Southeast Asia saw the moon pass in front of Mars on Saturday, April 17, 2021. Check out these images from EarthSky readers!
April 19, 2021
Before-and-after of asteroid Bennu’s sample site
During its final flyby this month, the spacecraft OSIRIS-REx took an image of the location where it collected a sample from asteroid Bennu's surface. It'll return to Earth 2 years from now, providing scientists with clues to the creation of our solar system.
April 17, 2021
Is Jupiter a key to finding dark matter?
Jupiter's large size and cool core make it an excellent target in the search for dark matter. A team of scientists is analyzing gamma-ray data from the Fermi Telescope looking for signs of the elusive substance.
April 16, 2021
Astronaut Soichi Noguchi sets a new space record
Congratulations to Japan's astronaut Soichi Noguchi, who this month was awarded the Guinness World Record for the longest time between spacewalks: 15 years and 214 days.
April 16, 2021
