These sources consist of legitimate science or are evidence based through the use of credible scientific sourcing.  Legitimate science follows the scientific method, is unbiased and does not use emotional words.  These sources also respect the consensus of experts in the given scientific field and strive to publish peer reviewed science. Some sources in this category may have a slight political bias, but adhere to scientific principles. See Also:

Air & Space Magazine
American Academy of Pediatrics (AAP)
American Association for the Advancement of Science (AAAS)
American Institute of Physics (AIP)
American Journal of Archaeology
American Psychoanalytic Association (APsaA)
American Scientist
Anxiety and Depression Association of America (ADAA)
Archaeology Magazine
Ars Technica
Astronomy Magazine
Australian Skeptics Inc.
Autistic Self Advocacy Network
Climate Action Tracker
Climate Central
Climate Feedback
CNET
Committee for Skeptical Inquiry
Contrail Science
Discover Magazine
Doubtful News
Earth Magazine
Federation of American Scientists (FAS)
Frontiers in Psychology
Futurism
Genetic Literacy Project (GLP)
Geology In
HowStuffWorks
IFL Science
International Renewable Energy Agency (IRENA)
James Randi Educational Foundation (JREF)
JStor
Live Science
Mayo Clinic
Medical Daily
MedicalXPress
Medscape
MIT Technology Review
NASA
National Center for Science Education (NCSE)
National Geographic
National Academy of Sciences (NAS)
National Institutes of Health
Nature
Nautilus Magazine
Neuroscience News
New Atlas
New England Skeptical Society
New Humanist
New Scientist
Phys.org
Political Psychology Journal
Popular Mechanics
Popular Science
Proceedings of the National Academy of Sciences of the United States of America (PNAS)
Psychology Today
Psypost
PubMed
Quackwatch
Quanta Magazine
Real Clear Science
RealClimate
RedOrbit
Retraction Watch
Sage Journals
ScienceAlert
ScienceBlogs
SciCentral
SciCheck
Science Based Medicine
Science Daily
ScienceDirect
Science Illustrated
Science Magazine
Science News
Scientific American
Seeker Daily
Skeptic Ink
Skeptic Magazine
The Skeptic’s Dictionary
Skeptical Inquirer
Skeptical Science
Skeptoid
Sky and Telescope
Smithsonian Magazine
Society for Science
Space.com
TechXplore
The BMJ (British Medical Journal)
The Scientist
The Watchers
TreeHugger
Understand Reality Through Science
Union of Concerned Scientists
WebMD
What’s the Harm
World Health Organization
World Meteorological Organization
ZME Science