EARTHMACHINE Horseshoe crab blood is vital for testing intravenous drugs, but new synthetic alternatives could mean pharma won’t bleed this unique species dry 6 min read
EARTHSPACE A Harvest Moon with 5 planets on the side: September is the best month for stargazing, and this year is extra special 3 min read
EARTHSPACE Our Survival Might One Day Rely on Nuking a ‘City Killer’ Asteroid. Scientists Just Tested Whether It’ll Work 6 min read
EARTHSPACE 2 meteor showers peak on the same night this week — how to get the best views, despite a near-full moon 3 min read
