Space & the Universe
Physics in Action
Imaging a Black Hole
The black hole selected for imaging resides in the center of the Messier 87 galaxy, 55 million light years away (324 quintillion miles away).
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People in Physics
Interview with Astronaut Don Pettit
We talk to Don about scary moments in space, immigrating to Mars, human spaceflight and more.
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Physics Buzz
How the Moon Got its Fault Scarps: Moonquakes and the Lunar Surface
The Moon is known for its varied landscape; impact craters dot its surface, many with picturesque rays extending from them across the highlands, and so-called mare, or basalt “oceans”, cover the lowlands. But one aspect of lunar geography that captur..
Writer's Gallery
Einstein's Dreams Review
Einstein's Dreams takes the reader on a journey through different conceptions of time. What if time stood still? What if time slowed down on the highest mountain peaks? Find out why this modern classic is a must-read for those looking to dabble in physics, philosophy, or psychology.
One of the largest branches of physics is devoted to studying our vast universe. This section studies things such as gravity waves, black holes and stars.
