Hubble captured this image of interstellar comet 3I/ATLAS on July 21, 2025, when the comet was 277 million miles from Earth.

Hubble takes the sharpest image, to date, of comet 3I/ATLAS, allowing astronomers to more accurately estimate the size of its nucleus.

Planetary Defense at NASA In 2016, NASA established the Planetary Defense Coordination Office (PDCO) to manage the agency's ongoing mission of finding, tracking, and better understanding asteroids and ...

Chandrayaan-1, the first Indian deep space mission, was launched to orbit the Moon and to dispatch an impactor to the surface. Scientific goals included the study of the chemical, mineralogical and ...

Professional learning experiences are integral to the enhancement of classroom instruction. Teachers, at the forefront of Science, Technology, Engineering, & Mathematics (STEM) education, play a key ...

A Q&A with the lead U.S. scientist of the mission, which will track changes in everything from wetlands to ice sheets to infrastructure damaged by natural disasters. Synthetic aperture radar (SAR) ...

Venus-Jupiter Conjunction and Meteor Mojo Jupiter and Venus shine brightly in the mornings as they appear to graze each other in the sky on the 11th and 12th. The Perseids are washed out by the Moon.

Different clouds types can have different effects on our weather and climate, which makes identifying cloud types important – but learning to identify cloud types can be tricky! Educational games make ...

As NASA and its partners prepare to send astronauts back to the Moon, we must address the potential dangers caused by space weather, which can damage spacecraft and cause physical harm to unprotected ...

NASA’s Mars Perseverance rover seeks signs of ancient life and collects samples of rock and regolith for possible Earth return.

NASA’s James Webb Space Telescope’s view of planetary nebula NGC 6072 in the near-infrared shows a complex scene of multiple outflows expanding out at different angles from a dying star at the center ...

This is a collection of illustrated posters in NASA's annual celebration of Earth Day. High resolution printable PDF files are available for download by clicking on each image.