Martian Satellite Photos Show Dynamic Planet
The Mars Reconnaissance Orbiter celebrated its 15th year circling Mars
Stories by Clara Moskowitz
Gravitational Waves Probe Exotic Matter inside Neutron Stars
A new analysis of light and gravitational waves from colliding neutron stars helps reveal what’s inside these ultradense objects
World’s Largest Fusion Reactor Begins Assembly
The pieces are finally coming together on the long-delayed ITER experiment to create nuclear fusion
Unprecedented 3-D view inside Animal Mummies
X-ray scans of ancient Egyptian cat, bird and snake mummies show details never seen before
Seven Ways the Election Will Shape the Future of Science, Health and the Environment
Climate change, nuclear arms control, the pandemic and more will be determined by whoever wins the White House and Congress
Dissolving Candy Gives Mathematicians Insight into How Some Landscapes Form
Researchers observed a sugary treat underwater to understand the origin of spiky rock forests
Galileo and the Science Deniers
Four hundred years ago Galileo Galilei’s scientific findings were rejected because they didn’t fit the prevailing beliefs of the time. His story is disturbingly relevant today...
Antimatter Discovery Reveals Clues about the Universe’s Beginning
New evidence from neutrinos points to one of several theories about why the cosmos is made of matter and not antimatter
Milky Way Dark Matter Signals in Doubt after Controversial New Papers
New analyses question whether mysterious gamma-ray and x-ray light in the galaxy actually stems from an invisible mass
Cosmology and Exoplanets Win 2019 Nobel Prize in Physics
James Peebles, who helped found the field of cosmology, shares the prize with Michel Mayor and Didier Queloz, discoverers of the first exoplanet around another sunlike star
New Measurement Aims to Solve Neutrino Mystery
A new finding limits how much the bizarre particle can weigh, shedding light on a physics quandary
Mysterious Neutrinos Get New Mass Estimate
Cosmic calculations suggest how massive nature’s lightest matter particle could be
Come One, Come All: Building a Moon Village
Humanity first went to the moon to make a point. Now it’s time to overcome rivalries and pitch in together
One Small Step Back in Time
Half a century after Apollo 11, we remember how we achieved the impossible and why we need to do it again
What Happened to All of the Universe’s Antimatter?
Differences between matter and antimatter could help explain why the cosmos mostly lacks the latter today, researchers say
How to Be a Data-Driven Parent
Economist Emily Oster explains how to make the best decisions for your particular child, using the scientific evidence at hand
Fertile Ground: The Long-Neglected Science of Female Reproductive Health
When the discussion of reproductive health is dominated by the political will to control it, gaps in medical research get overshadowed
Israeli Spacecraft Fails to Make First Private Lunar Landing
Private organization SpaceIL’s Beresheet lander crashes down on the moon following engine and communications problems
Looking for Life on Mars: Viking Experiment Team Member Reflects on Divisive Findings
Patricia Straat looks back on the Viking lander experiment that aimed to find microbes
The “Fantastic” Feeling of a Breakthrough: Q&A with Math Prize Winner Karen Uhlenbeck
The first female winner of the prestigious Abel Prize shares details of life as a mathematician
