A stuck vent valve has stalled NASA's second attempt to fuel its Artemis 1 moon mission mega rocket.
Filaments of plasma escaped from a fiery canyon that opened on the sun's surface on Sunday (April 3) and might bring more auroras to Earth later this week.
The Amazon River is a massive, intricate water system. It is by far the largest river on Earth in terms of volume and width.
Researchers have discovered a brand-new type of multifunctional cell, known as RAS cells, in human lungs. The cells are key to maintaining healthy lungs and could be used to develop treatments, and potentially cures, for smoking-related diseases.