Using data from NASA’s retired InSight lander, two separate teams of researchers found evidence of a sluggish Martian mantle and a solid inner core.
Author: Katrina Miller
Why Did Such a Powerful Earthquake Generate Such a Weak Tsunami?
The quake in Russia on Wednesday was among the strongest ever recorded — but in many places, the resulting wave was small.
How Two Neuroscientists View Optical Illusions
The Best Illusion of the Year contest offers researchers, and participants, an opportunity to explore the gaps and limits of human perception.
Results of Muon Experiment Offer More Precision But No Added Clarity
The deviant behavior of a subatomic particle might point to undiscovered forms of matter and energy in the universe. Or it might not.
A Parade of Planets Is Marching Through the Night Sky
With Mercury joining the show, all seven of Earth’s celestial neighbors will be present at dusk this week.
‘Ultrahigh Energy’ Neutrino Found With a Telescope Under the Sea
It’s the most energetic particle of its kind ever discovered, and scientists have no idea where it came from.
Like Cyclists in a Peloton, Schooling Fish Save Energy, Study Finds
Like Olympic cyclists, fish expend less effort when swimming in tight groups than when alone. The finding could explain why some species evolved to move in schools.
Dante Lauretta on Life After Asteroid Bennu and OSIRIS-REx
Dante Lauretta, the planetary scientist who led the OSIRIS-REx mission to retrieve a handful of space dust, discusses his next final frontier.
Walter Massey, a Physicist With a Higher Calling
He broke barriers as the first Black physicist in nearly every role. But his identity made him reach for dreams beyond his career as a scientist.
Lise Meitner, the ‘Atomic Pioneer’ Who Never Won a Nobel Prize
Lise Meitner developed the theory of nuclear fission, the process that enabled the atomic bomb. But her identity — Jewish and a woman — barred her from sharing credit for the discovery, newly translated letters show.