A killer whale has been sighted in Irish waters as part of an aerial survey to deepen understanding of Ireland's marine life.
In the medical field, being fast, efficient, and correct can be the difference between life and death. This game-changing tool is helping cancer researchers and doctors save lives.
National Geographic’s photography community is now on Instagram at @NatGeoYourShot. Please follow us there for the latest photos from the community and tag your photos #YourShotPhotographer for ...