The frequency of fireballs in our planet’s skies seemed to grow in recent months. NASA and other meteor experts can’t agree ...

A new study suggests that aerobic respiration began hundreds of millions of years before oxygen became abundant in Earth’s ...

The moon will be about 27 percent full tonight, appearing as a thick crescent in the sky, according to the American Meteor ...

Thousands of feet below the surface, the Antarctic seafloor is a time machine to another realm. Here’s how one scientist ...

Scientific models have predicted that climate change will drive oceans in the Northern Hemisphere to warm faster than oceans ...

Mercury is a small, rocky planet about which researchers know relatively little. Two missions, taking readings as they passed ...

As a star’s stream of photons passes through first one cell and then another of different temperatures and densities, the ...

MIAMI (AP) — Good Friday is a unique — and uniquely solemn — day in the Christian calendar. It commemorates the crucifixion and death of Jesus, ahead of what's a central tenet of faith for believers — ...

"Cicada" is trending, but not because it's the season for the noisy insects to appear. The Centers for Disease Control and Prevention and the World Health Organization are both monitoring a COVID-19 ...

Passover, a major Jewish holiday celebrated by millions around the world, begins this week. In the U.S., you may see families observing the multi-day holiday with special dinners, specific foods and ...

The Artemis II mission will send four astronauts on a flight around the moon for the first time in over 50 years. This will be the first crewed flight for the SLS rocket and Orion spacecraft, and only ...

The bronze statue had looked out over the California State University San Marcos campus for nearly 30 years. Students and faculty had fought to pay tribute to Cesar Chavez with a memorial after his ...