Author: Denise Chow

Three hurricanes — Karina, Lowell and Marie — are churning in the Pacific Ocean, a high level of activity that climate scientists say is on brand for El Niño.

NASA on Sunday is set to launch a next-generation telescope into space that’s expected to survey hundreds of millions of stars and billions of galaxies.

Two weeks after a total solar eclipse wowed skywatchers in Europe, a near-total lunar eclipse is in store Thursday for people in North and South America.

NASA had hoped to prevent its Swift observatory from breaking apart in Earth’s atmosphere. But the spacecraft tasked with the rescue hit problems.

A defunct part of a Falcon 9 rocket crashed into the moon uncontrolled this month at an estimated 5,400 mph. Now NASA has photos.

The Perseids’ peak coincides with another highly anticipated celestial event: a total solar eclipse that will be visible in parts of Europe.

The United States sweltered through its hottest July ever recorded last month, the National Oceanic and Atmospheric Administration confirmed Monday.