Science & Math

Multiple astronomy data sources

Curated research-sharing platform: physics, mathematics, quantitative finance, and economics

Render LaTeX equations in PNG, GIF, SVG, EMF, PDF, JSON, or download formats with styling options

Access the world's Open Access research papers

Interpreted astronomy: sun and moon times, moon phases, planets, eclipses, seasons

Life-science literature search with abstracts, citations and full-text links

Global Biodiversity Information Facility

Access millions of museum specimens from organizations around the world

High Energy Physics info. system

Check if a number is even

ISRO Space Crafts Information

Integrated Taxonomic Information System

Spaceflight launches and events database

Curated experimental data for materials science

Asterank.com Information

Gene annotation queries and ID lookup

NASA data, including imagery

Mars weather data from InSight lander

NASA Astrophysics Data System

Symbolic and Arithmetic Math Calculator

REST API used to access NoctuaSky features

Number of the day, random number, number facts and anything else you want to do with numbers

Facts about numbers

Facts pertaining to the physical science of Oceanography

ISS astronauts, current location, etc

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

Open catalog of scholarly works, authors, institutions, sources, and concepts

Sub-arcsecond planetary positions, natal charts, transits, and Human Design from NASA JPL DE440

Catalog of 16,000+ satellites merging CelesTrak, GCAT, Wikidata; free tier included

Real Time Air Quality Monitoring

3D structures of proteins and nucleic acids

Decodes base64 encoding and parses it to return a solution to the calculation in JSON

Academic search engine for papers, authors, and citations

A free, open, dataset about research and scholarly activities

Data and facts on solar system bodies and planets

Company, vehicle, launchpad and launch data

GraphQL, Company, Ships, launchpad and launch data

Sunset and sunrise times for a given latitude and longitude

Calculators for finance, health, math, space and sports with step-by-step results

With this API you can add each of the times introduced in the array sended

Satellite information

Earthquakes data real-time

Water quality and level info for rivers and lakes

Vedic astrology computation — birth charts, dashas, panchang, AI narratives

World Data

Random mathematical expressions