Christa McAuliffe was planning to film lessons aboard the Challenger for classrooms all over the country to use.
Einstein described his friend's personality, calling him "goodhearted" but also someone with "a rather sterile, rabbinical mind."
"Acoustic researchers had been frustrated by the size limit for years, so it's satisfying to find a way to overcome it."
"We can make structures that nobody's ever even conceived of before; this is a true man-over-nature event."
The European Union and the United Kingdom are committing the equivalent of hundreds of millions of dollars each to quantum tech.
If you pull it, it moves away. If you push it, it accelerates toward you.
Even if we can't get to the fourth dimension, we may be able to make use of it.
It changes shape in response to the temperature or chemical makeup of its environment, making it something between a chameleon and a Transformer.
Klystrons are powerful generators for creating the electromagnetic fields that accelerate particles within atom smashers.
The temperature the physicists achieved corresponds to -459.665 degrees Fahrenheit.
Forget everything you thought you knew about Schrödinger's cat.
How physicists finally showed us time can move backwards.
For a century, scientists have relied on a fundamental assumption about the brain's neurons. New research shows it's wrong.
The 700-foot tall, 300-mile-long wall has been protecting the Seven Kingdoms for thousands of years. Would it hold up on Earth?
While scientists had suspected plasma sheets were unstable, no one had ever managed to characterize that instability until now.
Physicists can't explain the mysterious force.
Excitonium is such uncharted territory that scientists don't yet know what its properties are.
The black holes were the closest orbiting pair ever discovered.