STEM Challenges

Dark matter, dark energy, the Hubble tension, the black hole information paradox — these are not textbook questions waiting for students to catch up. ...

For millennia, astronomers could only see the universe through light. Now we can hear it in gravitational waves, taste it in neutrinos, and feel it in...

The universe is a particle accelerator far more powerful than anything humans have built. Cosmic rays slam into our atmosphere with energies a million...

Quantum mechanics — the physics of the incredibly small — has unexpected consequences on cosmic scales. Discover how quantum tunneling allows the Sun ...

One hundred years after Einstein predicted them, gravitational waves were finally detected — ripples in the fabric of spacetime from colliding black h...

Einstein's greatest masterpiece took him ten years to complete. General Relativity reveals that gravity is not a force at all — it is the curvature of...