If you're in the right plane, can you start out in daylight and circle the Earth without ever seeing darkness? Sure, you can ... but you'll need plenty of fuel.

A giant sequoia located in Sequoia National Park in California, the General Sherman is 52,500 feet in volume and is more than 2,000 years old. The General Sherman giant sequoia is the largest known ...

NASA's Psyche has set a new benchmark for space communications. In December 2024, the spacecraft successfully beamed an infrared laser message back to Earth from a mind-boggling distance of 494 ...

Orionid meteors are known for their brightness and for their speed. The meteors travel at about 41 miles (66 kilometers) per second into Earth's atmosphere. Fast meteors can also sometimes become ...