They include some of the largest animals on Earth. The blue whale is the biggest ... also allow a whale to determine how hard or soft an object is and how fast it's moving. Sperm whales can ...

Asteroid 2019 SR8 will be flying past Earth today ... the incoming asteroid as a ‘close approach’ or a ‘near-Earth object’. It’s one of the many Apollo asteroids — an asteroid that ...

Documentary filmmaker Jeremy Corbell spoke with NBC News' Gadi Schwartz about a new video of an unidentified tic tac object ...