Planetary Science
Ribose, a sugar needed for life, has been detected in meteorites
Samples of rocks that fell to Earth contain a key molecular ingredient of RNA, part of life’s genetic machinery.
All Topics
Chemistry
Earth
Earth
Climate-warming CO₂ emissions will hit a record high in 2019
Despite countries adopting renewable power sources and coal use falling slightly, oil and gas use are pushing global carbon dioxide emissions to record heights.
Humans
Humans
50 years ago, income inequality was severe in the U.S. It still is
In 1969, lower-income households tended to be nonwhite and in the U.S. South. That still holds true today.
Life
Life
A single-celled protist reacts to threats in surprisingly complex ways
New research validates a century-old experiment that shows single-celled organisms are capable of complex “decision making.”
Math
Math
How Julia Robinson helped define the limits of mathematical knowledge
Born 100 years ago, Julia Robinson played a key role in solving Hilbert’s 10th problem.
Physics
Quantum Physics
A new, theoretical type of time crystal could run without outside help
The idea tiptoes closer to the original concept of time crystals, first proposed in 2012.
Science & Society
Humans
50 years ago, income inequality was severe in the U.S. It still is
In 1969, lower-income households tended to be nonwhite and in the U.S. South. That still holds true today.
Space
Space
NASA’s Parker probe reveals the sun’s rogue plasma waves and magnetic islands
Scientists have analyzed the Parker probe’s first data, giving a peek at what’s to come as the craft moves closer to the sun over the next few years.
Tech
Archaeology
An AI found a hidden Nazca Line in Peru showing a humanoid figure
An artificial intelligence program designed to go through massive datasets for hints of ancient geoglyphs called Nazca Lines has discovered a new one.
