Radioisotope generators − inside the ‘nuclear batteries’ that power faraway spacecraft
Radioisotope thermoelectric generators do not rely on chemical reactions like the batteries in your phone. Instead, they rely on the radioactive decay of elements to produce heat and eventually ...
Scientific American3h
If Life on Mars Ever Existed, This Bizarre Rock May Tell Us
The intriguing chemistry of a rock collected by the Perseverance rover could trace to microbial activity—or not ...
NASA knows exactly where to look on Mars for signs of life
Since its arrival on the Martian surface five years ago, NASA’s Perseverance rover has been busy scouring the Red Planet for ...
Weighing in on a Mars water debate: Analysis challenges previous findings
More than 3 billion years ago, Mars intermittently had liquid water on its surface. After the planet lost much of its ...
Ancient Asteroid Unlocks 4.6-Billion-Year-Old Magnetic Secrets of the Solar System
A weak magnetic field likely attracted matter inward, contributing to the formation of the outer planetary bodies, from ...
New Scientist22h
Ancient humans lived in an 'uninhabitable' climate 25,000 years ago
Bones dating back 25,000 years suggest that humans lived in extremely icy conditions in Tibet, which were previously thought ...