The National Aeronautics and Space Administration has issued a warning that two giant asteroids are set to have a close ...

or potentially hazardous objects (PHOs), which are defined as coming within around 4.6 million miles of Earth and having a diameter of at least 460 feet across. "A PHA is one that has an orbit ...

Photo from Oliver Tsappis, UnSplash A humpback whale traveled more than 8,000 miles — farther than the Earth’s diameter — in search of sex, a new study reveals. The “unusual” odyssey ...

The asteroids, named 447755 (2007 JX2) and (2020 XR), are each estimated to be roughly between 900 feet and 2,100 feet across.