The government’s secret UFO reading list is revealed. Wow.

FOIA release sheds light on the DOD's own struggle to understand UFOs.

(Vladi333/SONY/Big Think)
  • A just-unclassified Department of Defense reading list on UFOs is stunning.
  • The DOD is wondering if the truth lies in some of the most far-out theories.
  • Science fiction has nothing on science fact.
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Space toilets: How astronauts boldly go where few have gone before

A NASA astronomer explains how astronauts dispose of their, uh, dark matter.

  • When nature calls in micro-gravity, astronauts must answer. Space agencies have developed suction-based toilets – with a camera built in to ensure all the waste is contained before "flushing".
  • Yes, there have been floaters in space. The early days of space exploration were a learning curve!
  • Amazingly, you don't need gravity to digest food. Peristalsis, the process by which your throat and intestines squeeze themselves, actually moves food and water through your digestive system without gravity at all.
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Here's what the new TESS telescope has already discovered

It has already found several bizarre planets outside of our solar system.

NASA/Kim Shiflett
  • The Kepler program closed down in August, 2018, after nine and a half years of observing the universe.
  • Picking up where it left off, the Transiting Exoplanet Survey Satellite (TESS) has already found eight planets, three of which scientists are very excited about, and six supernovae.
  • In many ways, TESS is already outperforming Kepler, and researchers expect it to find more than 20,000 exoplanets over its lifespan.
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In a first for humankind, China successfully sprouts a seed on the Moon

China's Chang'e 4 biosphere experiment marks a first for humankind.

Image source: CNSA
  • China's Chang'e 4 lunar lander touched down on the far side of the moon on January 3.
  • In addition to a lunar rover, the lander carried a biosphere experiment that contains five sets of plants and some insects.
  • The experiment is designed to test how astronauts might someday grow plants in space to sustain long-term settlements.
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10 science photos that made history and changed minds

These photos of scientific heroes and accomplishments inspire awe and curiosity.

  • Science has given humanity an incalculable boost over the recent centuries, changing our lives in ways both awe-inspiring and humbling.
  • Fortunately, photography, a scientific feat in and of itself, has recorded some of the most important events, people and discoveries in science, allowing us unprecedented insight and expanding our view of the world.
  • Here are some of the most important scientific photos of history:
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