Temperatures in the Sun's core exceed 10 million degrees Celsius. But how on Earth did we actually come to know that?
2023 is an exciting time for the study of quark-gluon plasmas.
Across all wavelengths of light, the Sun is brighter than the Moon. Until we went to the highest energies and saw a gamma-ray surprise.
With a telescope at just the right distance from the Sun, we could use its gravity to enhance and magnify a potentially inhabited planet.
An annular eclipse is coming to Earth on October 14, 2023. Six months later, a total solar eclipse is headed our way. Here's the reason why.
On Saturday, October 14, a solar eclipse crosses North and South America. Here are 4 quick, easy, low-tech activities for everyone to enjoy!
Here on Earth, the Sun is our primary source of light, heat, and energy. But it also poses a grave threat to human civilization.
How can you "touch the Sun" if you've always been inside the solar corona, yet will never reach the Sun's photosphere?
In our Solar System, even the two brightest planets frequently align in our skies. But only rarely is it spectacularly visible from Earth.
Before Constantine received his history-defining vision, a pagan Sun god paved the way for Jesus Christ’s triumphal entry into the Eternal City.
Massive objects like black holes, stars, and rogue planets routinely pass near our Solar System. An ensuing comet storm could destroy us.
Plato, Sun Tzu, and Buddha all lived in a "golden age" of philosophy that laid the foundation of modern thought.
There are 40 billion billion black holes in the universe. Here’s how our Solar System stacks up against ten of them.
Strategy advisor Roger Martin explains how 2,000 year old military thinking is useful in modern business strategy.
It's a radical but plausible idea.
The European Space Agency’s Solar Orbiter recently captured images that could help scientists better under the mysterious physics of our Sun.
Although we still don't know the question, we know that the answer to life, the Universe, and everything is 42. Here are 5 possibilities.
Most of us only ever see a fraction of a full rainbow: an arc. But optically, a full rainbow makes a complete circle. Physics explains why.
Each year in mid-August, Earth plows through the debris stream of an enormous comet, creating the Perseids. 2023's show will be magnificent!