NASA and European scientists explain how they calculate the probability of the space rock 2024 YR4 impacting our planet, and why it’s not yet time to worry.

US employment growth moderated at the start of the year, partly a reflection of winter weather and Los Angeles-area wildfires ...

Sneak peek at upcoming San Diego community events street fairs, festivals, concerts, performances, art shows, community ...

The menstrual cycle, long considered a simple biological process, turns out to be a complex phenomenon influencing many ...

From his backyard in Arizona, astrophotographer Andrew McCarthy has captured stunning photos of the celestial objects high ...

SpaceX will launch a new round of Starlink satellites from Cape Canaveral Space Force Station into lower Earth orbit on ...