Mars may have once had an ocean and this chaotic valley is a big clue
A colossal valley near Mars’s equator is revealing dramatic clues about the Red Planet’s watery and volcanic past. Stretching roughly 1,300 kilometers, Shalbatana Vallis was carved billions of years ago when enormous floods of groundwater burst onto the surface, gouging deep winding channels across the landscape. Today, the region is a striking mix of ancient flood scars, collapsed “chaotic terrain,” lava-smoothed plains, volcanic ash, and battered impact craters - all hinting at a Mars that may
The science section covers breakthroughs in medicine, physics, biology, and technology. We surface discoveries that expand what humanity can do, from new treatments reaching clinical trials to engineering feats that seemed impossible a decade ago. Every link goes to the original publisher so you can read the full study or press release yourself.
BY THE OPTIMIST DAILY EDITORIAL TEAM Picture two parents, both devoted. Both called every Sunday. Both showed up for bir…
BY THE OPTIMIST DAILY EDITORIAL TEAM For decades, high clinical risk and chemotherapy arrived together as a package deal…
Earth Observatory Science International Space Station (ISS) San Francisco’s Metropolitan… Earth Earth Observatory Image …
Researchers tested soccer balls aboard the International Space Station to study how internal mass affects motion and sta…