It is with a heavy heart that I announce that NASA Earth Science Communications has directed The Earth Observer to conduct an ...

Astronomers using Hubble imaged the largest protoplanetary disk ever observed circling a young star. The disk is nicknamed “Dracula’s Chivito.” ...

NASA’s Hubble Space Telescope has directly imaged similar catastrophic collisions in a nearby planetary system around another star, Fomalhaut.

For the first time, astronomers using NASA’s Fermi Gamma-ray Space Telescope have traced a budding outflow of gas from a cluster of young stars in our galaxy ...

NASA’s Europa Clipper mission observed the interstellar comet 3I/ATLAS on Nov. 6 from a distance of about 102 million miles (164 million kilometers). Captured ...

This exoplanetary encyclopedia — continuously updated, with more than 6,000 entries — combines interactive 3D models and detailed data on all confirmed exoplanets. When you select a planet’s name, see ...

On July 3, 2025, NASA astronaut Nichole Ayers captured a rare gigantic jet from the ISS—lightning shooting from a storm top into the upper atmosphere.

Flow Boiling and Condensation Experiment (FBCE) Science Objective Flow Boiling and Condensation Experiment (FBCE) seeks to validate a model for flow boiling critical heat flux (CHF) and develop an ...

These partial maps of the heliosphere’s boundaries were compiled from first-light data from the IMAP-Hi, IMAP-Lo, and IMAP-Ultra instruments. These initial looks offer a first glimpse at the detail ...

NASA’s Lucy Mission Provides Full View of Asteroid Donaldjohanson Scientists with NASA’s Lucy mission continue to analyze data collected during the spacecraft’s April 20 encounter with the main-belt ...

Clusters of light across North America as observed by the TEMPO instrument in February 2025. This false-color image represents the total light observed from that location, with red being the brightest ...

The Sun and its atmosphere consist of several zones or layers. From the inside out, the solar interior consists of: The Core – the central region where nuclear reactions consume hydrogen to form ...