Measles outbreaks in the U.S. and abroad are raising health experts’ concern about the preventable, once-common childhood virus. One o...

INGRAM, Texas —For four minutes Monday, the sky darkened into an early nighttime as the moon’s shadow swept over campers who had gathered fr...

MESQUITE, Texas — A chilly, midday darkness fell across North America on Monday as a total solar eclipse raced across the continent, thrilli...

MESQUITE, Texas — Millions of spectators along a narrow corridor stretching from Mexico to the U.S. to Canada eagerly awaited Monday’s...

A $15 million grant from the federal government will fund a pilot program to build the first floating solar cells along the 117-mile long De...

For people in Fresno and hundreds of millions more nationwide, the upcoming solar eclipse offers a great opportunity to view a rare celestia...

NEW YORK — Doctors in Boston announced Thursday they have transplanted a pig kidney into a 62-year-old patient. Massachusetts General Hospit...

■You will risk permanent vision damage if you try to look at a partial eclipse without wearing proper eye protection. ■Looking through a cam...

■Eclipse chasers from Fresno are traveling to Texas for the April 8 solar eclipse so they can be in the path of totality — where the moon co...

■SpaceX nearly completes an hourlong test flight of its mega rocket. ■Contact with Starship was lost as it neared its goal, a splashdown in ...