DNA testing has become a new way for millions of Americans to expand their family trees and learn something about themselves, but results vary widely. Read more

Scientists eavesdropped while narwhals clicked and buzzed. The work could help pinpoint how the whales may react to more human noise in the Arctic. Read more

Antarctica’s rate of ice loss has sped up since 1992 — mostly in the last five years, raising global sea level by almost 8 millimeters on average. Read more

Three nobelium isotopes have oblong nuclei, and some sport a ‘bubble’ center. Read more

Three nobelium isotopes have oblong nuclei, and some sport a ‘bubble’ center. Read more

A century after she published a groundbreaking mathematical theory, Emmy Noether gets her due. Read more

Sunlight created oxygen-rich oil by-products that are still hanging around eight years after the Deepwater Horizon spill. Read more

NASA’s Opportunity rover is in low-power mode to preserve battery life while a vast dust storm blankets part of the Red Planet. Read more

A new AI can ignore background noise in videos and focus on what a particular person is saying. Read more

The radius of the sun gets slightly smaller during periods of high solar activity, researchers say. Read more