February brings a rare planetary parade, with five bright planets in clear view and a special alignment of Mercury and Saturn ...

The area near clouds is often classified as ‘clear sky’, but a new study demonstrates the potential biases of misclassifying ...

This is the largest photomosaic yet assembled from Hubble Space Telescope observations. It is a panoramic view of the Andromeda galaxy, located 2.5 million light years away from Earth. This mosaic ...

Space agencies have systems in place to spot, track, and forecast the future orbits of potentially hazardous asteroids.

The system was installed on the side of the European Space Agency’s Columbus module on the ISS. From there, the rig of 4K ...

Ranging from September 2004 to December 2023, it spans multiple levels of the atmosphere from ground level up to the lower edge of space, about 110 kilometers above Earth's surface. The region ...

making Vesuvius "one of the world's most dangerous volcanoes," according to NASA's Earth Observatory. In the image, Vesuvius' caldera — a large bowl-like depression caused by the collapse of the ...