New studies explore the reason behind Mars' red color, linking it to a mineral formed in cool water, suggesting a potentially habitable past. Plus, a weather update for Spain's Carnival weekend. Read more...

New research suggests Mars' distinctive red color, caused by the mineral ferrihydrite formed in cool water, could indicate the planet was once habitable. Scientists replicate Martian dust to understand its origins. Read more...

Recent studies shed light on the composition of Mars and the stability of Atlantic Ocean currents, challenging previous assumptions and highlighting the impact of climate change. Read more...