Tropical storm Ida is gaining strength as it barrels through the Caribbean Sea and is expected to be a "dangerous major hurricane" when it slams into the northern Gulf Coast on Sunday (Aug. 29).
A concentration of plasma in the Earth's atmosphere, called the ionosphere, interacts with solar winds, ultraviolet radiation and radio waves.
Here's a list of 7 intriguing objects — and a few reptiles — that made headlines for falling from the sky.
Chilean officials are investigating a curious collection of burning objects that fell onto parts of the country last week.
Scientists may be one step closer to solving the mystery of water on the moon; the secret may lie in a synergistic interaction between the solar wind, micrometeorites and moon dust.