The milestone highlights the accelerating rate of discoveries, just over three decades since the first exoplanets were found. The official number of exoplanets — planets outside our solar system — tracked by NASA has reached 6,000. Confirmed planets are...

3 weeks ago 1

Editor’s note: This story was updated to clarify the duration of the Sun’s quiet period beginning in 1645. It looked like the Sun was heading toward a historic lull in activity. That trend flipped in 2008, according to new...

4 weeks ago 5

A massive earthquake and subsequent tsunami off Russia in late July tested an experimental detection system that had deployed a critical component just the day before. A recent tsunami triggered by a magnitude 8.8 earthquake off Russia’s Kamchatka Peninsula...

1 month ago 3

Sea surface height data from the Sentinel-6B satellite, led by NASA and ESA, will help with the development of marine weather forecasts, alerting ships to possible dangers. Because most global trade travels by ship, accurate, timely ocean forecasts are...

1 month ago 3