Learn how heartworm disease became widespread in dogs, reflecting an evolutionary history that spans back to ancient times.

Learn about J1007+3540, a black hole that has recently come back to life and is described as a “cosmic volcano.” ...

Learn how researchers tested a cow’s behavior and what her tool use reveals about animal intelligence.

Learn about a new UN report that suggests we are now in an era of global water bankruptcy that cannot be reversed.

Learn how the shingles vaccine puts the brakes on aging by helping the immune system fight chronic inflammation.

Learn more about the difference between sugar in liquid and solid form and why skipping sweets altogether isn’t the solution ...