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Ask the expert
A Brief History Of Measurements
Who defines a meter's length and a kilogram's weight, and how were these units established?
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Science History
The Refugee from Nazi Germany Who Unveiled the Echo of the Big Bang
Physicist Arno Penzias, a refugee from Nazi Germany and co-discoverer of cosmic background radiation.
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Science History
The Physicist Who Redefined Boundaries
Stephen Hawking, the physicist who transformed our knowledge of black holes and the universe.
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Science news
The Sun is Close, the Moon is Old: This Week in Space
Record-setting Solar flyby, privatized space communication, lunar age, educational astronomy, and a unique ring
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The Science Behind Your Battery’s Charge Percentage
The charge percentage of device batteries is a key performance indicator. But how is it determined?
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Science news
Nobel Prizes 2024 - Celebrating Artificial Intelligence
The 2024 Nobel Prizes underscore the impact of artificial intelligence, reflected in the physics and chemistry prizes.
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Science History
The Astronomer Who Brought the Cosmos Closer to Us
Celebrating 90 years since the birth of Carl Sagan, the face of science for the public through popular books and a hit TV series.
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Science History
The Astronomer Who Expanded the Universe
135 years since the birth of Edwin Hubble, who revealed other galaxies, demonstrated the universe's expansion, and paved the way for the Big Bang theory.
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