A breathtaking astronaut photo reveals El Salvador’s Lake Coatepeque—an ancient volcanic crater lake that sometimes mysteriously turns brilliant turquoise. Lake Coatepeque,…

Scientists have discovered that applying an electric field to certain ceramics can dramatically redirect how heat moves through them. New research…

Observations show the universe appears flat, yet its true size and global shape beyond the observable horizon may remain forever unknown.…

A bright new lunar crater detected in spacecraft images shows that asteroid impacts continue to reshape the Moon’s surface today. The…

Scientists have developed a new blood test that could spot Alzheimer’s earlier by detecting hidden changes in how proteins fold in…

Scientists have identified a critical breakdown in the cellular machinery that produces proteins in aging brains. Aging and neurodegenerative disease can…

Researchers have uncovered a new way to enhance the cancer-fighting ability of the immune system. All people naturally produce a growth…

A new study suggests that widely used GLP-1 weight-loss drugs may do more than improve metabolic health: they could also protect…