A disintegrated, it shed meltwater that helped fuel an extensive phytoplankton bloom in the South Atlantic Ocean.

Using data from NASA’s James Webb Space Telescope observations collected on Feb. 18 and 26, experts from NASA’s Center for Near-Earth Object Studies at the ...

SP Crater (above left), located in Arizona’s San Francisco Volcanic Field, features a 7-kilometer-long lava flow that extends northward and has been used for NASA astronaut geology training. In two ...

Satellite-based radar images show where a powerful earthquake in the Yukon, Canada, sent rock, snow, and ice spilling across ...

Users Group is a recurring Webex forum that brings together researchers, open-science practitioners, and collaborators ...

NASA’s Carruthers Geocorona Observatory began its 24-month primary science mission on March 1. The spacecraft, launched in September 2025, will focus its ...

The pair will be about one degree apart, which is roughly the width of a single finger if you hold it at arm's length. A conjunction happens when two objects in the night sky appear close together, ...

A solar eclipse occurs when the Moon passes between the Sun and Earth, casting its shadow on Earth. The shadow comprises two concentric cones, a dark inner shadow called the umbra and a lighter outer ...

At standard temperature and pressure, one metric ton of carbon dioxide (CO₂) would fill a sphere 32 feet (about 9.8 meters) in diameter. The average car in the U.S. will produce this over a ...

Nebula PMR 1 is a cloud of gas and dust that bears an uncanny resemblance to a brain in a transparent skull, inspiring its nickname, the “Exposed Cranium” nebula. Webb captured its unusual features in ...

July 23, 2014: If an asteroid big enough to knock modern civilization back to the 18th century appeared out of deep space and buzzed the Earth-Moon system, the near-miss would be instant worldwide ...

The most powerful flare measured with modern methods was in 2003, during the last solar maximum, and it was so powerful that it overloaded the sensors measuring it. The sensors cut out at X28.