Science

How Artemis 1 fits into NASA's grand vision for space exploration
It's been nearly 50 years since the latest Apollo landing, and the landscape for space exploration is wildly different. Why is NASA's latest mission focused on revisiting the moon?
Spiders show signs of REM-like activity, raising the question: Do they dream?
A team of researchers filmed jumping spiders overnight and observed behaviors that mirror rapid eye movement sleep in other species. It helps that baby jumping spiders have translucent exoskeletons.