Discovering Even Friendly Aliens Could Have Some Real Risks For Humanity

COVID-19 Vaccine in The Form of a Pill Is Set to Enter First Clinical TrialsThe US Just Vaccinated 6+ Million People Against COVID-19 in Just 2 Days

Heart Problems in Pets Could Be Linked to COVID Variant. Here's What You Must KnowWe All Do It, But Is It Actually Safe to Reuse Plastic Water Bottles?We Finally Know How Sperm 'Remember' And Pass on Non-DNA-Coded Traits to Embryos

AstraZeneca Vaccine Was Just Declared Safe by The EMA. Here's What That MeansAs if We Needed It, a Major Review Just Confirmed 5G to Be Completely Safe

Embryo-Like Forms Coaxed From Skin Cells Offer a Divisive New Way to Study Human Life

Bacteria Behind UTIs Make Their Own DNA Building Blocks From Your UrineThe Greatest Storm in Our Solar System Has Shockingly Few Years Left

This Breathtaking Photo of Earth Really Puts Everything Into PerspectiveWhere in Space Is Elon Musk's Roadster Right Now?

This 6-Year-Old Is So Sure Pluto Should Be a Planet, She Sent an Adorable Letter to NASAWe Need to Talk About What Happens When You Get Your Period in Space