Astronomy

Full text available through the Hathi Trust Digital Library for years 1981 through 2019.

The International Astronomical Union (IAU) was founded in 1919. Its mission is to promote and safeguard the science of astronomy in all its aspects, including research, communication, education and development, through international cooperation

The NASA STI Program acquires, processes, archives, announces, and disseminates NASA STI and acquires worldwide STI of critical importance to NASA and the Nation. The Search tab takes you to NASA STI Repository (also known as the NASA Technical Reports Server (NTRS).

On April 24, 1990, the space shuttle Discovery lifted off from Earth with the Hubble Space Telescope nestled securely in its payload bay. The following day, Hubble was released into space, ready to peer into the vast unknown. Since then, Hubble has reinvigorated and reshaped our perception of the cosmos and uncovered a universe of unexpected wonders.

NASA's real-time science encyclopedia of deep space exploration. Our scientists and hardworking robots are exploring the wild frontiers of our solar system.

The Planetary Data System (PDS) is a long-term archive of digital data products returned from NASA's planetary missions, and from other kinds of flight and ground-based data acquisitions, including laboratory experiments

A set of links put together by the Library of Congress. Divided by category.

Searchable gateway to STEM websites from U.S. Government agencies.

Search interface for searching world science literature. It was developed by the U.S. Department of Energy and the British Library in conjunction with other international organizations. 1930-present