Public APIs about Science & Math

Multiple astronomy data sources

Access the world's Open Access research papers

Global Biodiversity Information Facility

Access millions of museum specimens from organizations around the world

High Energy Physics info. system

Integrated Taxonomic Information System

Spaceflight launches and events database

Asterank.com Information

NASA data, including imagery

API for getting APOD (Astronomy Image of the Day) images along with metadata

Symbolic and Arithmetic Math Calculator

Facts about numbers

ISS astronauts, current location, etc

Repository and archive for study designs, research materials, data, manuscripts, etc

A free, open, dataset about research and scholarly activities

Company, vehicle, launchpad and launch data

Sunset and sunrise times for a given latitude and longitude

Botanical data for plant species

Earthquakes data real-time

Water quality and level info for rivers and lakes

World Data