Science
This is What it Sounds Like When the Earth’s Poles Flip
Is there something strange and alien confined deep inside the Earth? Is it trying to break free and escape into…
Add Astronaut Nutrition to the List of Barriers to Long-Duration Spaceflight
Though there are no firm plans for a crewed mission to Mars, we all know one's coming. Astronauts routinely spend…
NASA is Building Telescopes for the LISA Mission
Some of the most cataclysmic and mysterious events in the cosmos only reveal themselves by their gravitational waves. We've detected…
The Sun Has Reached Its Solar Maximum and it Could Last for One Year
For most of human history, the Sun appeared stable. It was a stoic stellar presence, going about its business fusing…
How a Nearby Supernova Left its Mark on Earth Life
When a massive star explodes as a supernova, it does more than release an extraordinary amount of energy. Supernovae explosions…
From Frozen to Sweltering: Earth’s Climate Over the Last 485 Million Years
Earth's last half-billion years were action-packed. During that time, the climate underwent many changes. There have been changes in ocean…
Io’s Volcanoes are Windows into its Hot Interior
NASA's Juno spacecraft was sent to Jupiter to study the gas giant. But its mission was extended, giving it an…
Plants Would Still Grow Well Under Alien Skies
Photosynthesis changed Earth in powerful ways. When photosynthetic organisms appeared, it led to the Great Oxygenation Event. That allowed multicellular…
A Gravity Map of Mars Uncovers Subsurface Mysteries
A team of scientists presented a new gravity map of Mars at the Europlanet Science Congress 2024. The map shows…
Groundbreaking New Maps of the Sun’s Coronal Magnetic Fields
If you enjoyed this summer's display of aurora borealis, thank the Sun's corona. The corona is the Sun's outer layer…