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Posts by
Kelly Kizer Whitt
Asteroid dust in Chicxulub crater seals deal on dino extinction
Scientists examined rock cores taken from the Chicxulub crater in Mexico, site of the asteroid impact that triggered dinosaur extinction, and found iridium, a telltale sign of asteroids.
March 3, 2021
World’s oldest DNA sheds light on mammoth evolution
A mammoth tooth uncovered from the Siberian permafrost yields the oldest DNA yet discovered and provides insight into the evolution of the giant beasts.
February 28, 2021
Perseverance saw its own descent stage crash
The Mars rover images a plume of debris from the impact of the descent stage that helped the spacecraft land safely on the red planet.
February 28, 2021
Parker Solar Probe captures a glimpse of Venus
The Parker Solar Probe turned its camera on Venus as the spacecraft flew by during a gravity assist.
February 27, 2021
Water worlds may be abundant in our galaxy
A new study suggests that our Milky Way galaxy is filled with planets like Earth, containing continents and oceans. If so, life might be common in the Milky Way.
February 26, 2021
Photographer snags shot of yellow penguin
Yves Adams took this photo of a rare yellow penguin on South Georgia Island in December 2019. It went viral this month. "It seems we are in desperate need for some mellow yellow news!" Adams said.
February 25, 2021
Nearby black hole Cyg X-1 more massive than thought
New research suggests that the famous black hole Cygnus X-1 - first black hole ever detected and one of the closest to Earth - is farther away and much more massive than previously believed.
February 24, 2021
3D map of a million binary stars
A new atlas of nearby binary stars plots more than a million pairs and reveals a profusion of identical twins.
February 23, 2021
Swarm of black holes discovered
For the first time, astronomers have detected the presence of a throng of black holes crowding near the center of an ancient globular cluster.
February 21, 2021
Upheaval and extinctions linked to magnetic reversal 42,000 years ago
A magnetic reversal 42,000 years ago helped bring about earthly extinctions, scientists said, accompanied by changes in the sky including electrical storms and widespread auroras. "It would have been scary," they commented.
February 20, 2021
