Welcome to the 2025 NASA Science Calendar! Download our latest calendar and wallpaper backgrounds for your desktop or mobile device, and discover the fascinating science behind the images featured ...

Mars shines in the evening, and is joined briefly by Mercury. Jupiter joins Venus as the month goes on. And all month, look ...

From the center of the solar system, rages a powerful wind. Sent by the Sun, this wind whips at speeds exceeding one million miles per hour as it traverses to the edge of interstellar space bathing ...

Open Principles The principles of open science are to make publicly funded scientific research transparent, available, and reproducible. Advances in technology, including collaborative tools and cloud ...

Solar storms and flares are eruptions from the Sun that can affect us here on Earth.

NASA’s Incredible Discovery Machine: The Story of the Hubble Space Telescope Thanks to five servicing missions and more than 30 years of operation, our view of the universe and our place within it has ...

The Hubble Space Telescope’s more than 30 years in orbit were punctuated by periodic visits from astronauts that kept the telescope functioning smoothly and ...

On most nights, weather permitting, you can spot at least one bright planet in the night sky. While two or three planets are commonly visible in the hours around sunset, occasionally four or five ...

For 540 million years, the ebb and flow in the strength of Earth's magnetic field has correlated with fluctuations in atmospheric oxygen, according to a newly ...

NASA is developing a compact Spacecraft Attitude Control system that also measures Earth’s magnetic field—enabling smaller, more affordable science missions.

Have you ever wondered about what the Sun is made of? Or why do you get sunburned on even cloudy days? NASA’s new Explore the Sun toolkit brings the wonders ...