MadSciNet: Ask a Scientist
You can ask a scientist a question on the WWW MadSciNet: The 24-hour exploding laboratory.
HHMI: Ask a Scientist
Ask a Scientist is an easy way to get answers to your biology questions. Browse through the question archives, or submit a question of your own!
NASA: Ask a Space Scientist
For answers to over 3000 FAQs about the following additional subjects: The Solar System, Planet-X, Stars, Galaxies, Black Holes, Big Bang Cosmology, Origin of the Universe, General and Special Relativity, Space Travel, Space Physics, Careers in Astronomy, Telescopes and many other topics, too!
Astronomy Cafe: Ask an astronomer
For answers to over 3000 FAQs about the following additional subjects: The Solar System, Planet-X, Stars, Galaxies, Black Holes, Big Bang Cosmology, Origin of the Universe, General and Special Relativity, Space Travel, Space Physics, Careers in Astronomy, Telescopes and many other topics, too!
NASA: Ask an astrophysicist
"Ask an astrophysicist" specializes in cosmic-ray, gamma-ray, and X-ray astrophysics, and other satellite based astronomical observations. Our research subjects are often exotic, like black holes, quasars and dark matter.
USGS: Ask a Geologist
Do you have a question about volcanoes, earthquakes, mountains, rocks, maps, ground water, lakes, or rivers? Ask-A-Geologist questions are answered by USGS employees, retirees, and contractors who have volunteered to participate in the project.
Ask a Mineralogist
Questions about minerals and ores? This is an offering of the Department of Geology and Geophysics @ The University of Hawaii.
NASA: Ask an Astrobiologist
Origin of Life? Life in Outer Space? A service provided by NASA's Astrobiology Institute.
Ask an Earth Scientist
Your earth science questions stop here. A service provided by the Department of Geology and Geophysics @ The University of Hawaii.
Ask a Microscopist
Ask a Microscopist is a project which allows students and educators at any school level to ask questions about microscopy or microanalysis to scientists. In addition, at prearranged times individuals can login to a real laboratory and visit and talk to scientists on-line as well as view microscope operations in near real time.
Ask a Solar Physicist
Answers to your solar questions from the SOLAR center at Stanford University.