Einstein’s 1939 letter, warning of atomic weapons, just sold at auction for $3.9 million
Dr. Albert Einstein is shown seated inside by the window, writing. In the summer of 1939, Albert Einstein made…
A secretive, experimental Chinese spacecraft returned to Earth after 8 months. It’s still a mystery what it was up to.
The details of China’s new space plane (not pictured) remain a mystery. China’s secret unmanned spacecraft returned to Earth,…
How to pick the best cruises to see the northern lights, eclipses, and galaxies, according to an astrophysicist
Astrophysicist Hakeem Oluseyi has seen the stars from all over the world. Astrophysicist Hakeem M. Oluseyi has been to…
SpaceX’s Polaris Dawn mission nails the first-ever commercial spacewalk
Jared Isaacman performed mobility tests during the historic spacewalk. Floating in the black void of space, a billionaire-backed SpaceX…
SpaceX launches 4 people, including a billionaire, on the most ambitious private human spaceflight yet
The 15-story Falcon 9 rocket launched Tuesday morning. SpaceX just launched four people on the most ambitious crewed spaceflight…
Flying is about to become even more miserable
Jennie Zeiher is a frequent flyer, but she was beginning to distrust the process. It was about 95 degrees…
NASA admits it’s been working with SpaceX on a backup plan to retrieve Boeing’s 2 stuck astronauts. It doesn’t sound ideal.
A SpaceX Crew Dragon vehicle approaches the International Space Station. If Boeing and NASA can’t get their spaceship together,…
2 ‘potentially hazardous’ asteroids will streak by Earth this week, one as big as a mountain. You can watch it live.
Two different “potentially hazardous” asteroids will fly by Earth this week. Both will be rare and spectacular events, but…
What you need to know about the giant, ‘flying’ spiders spreading over the eastern US
It sounds like the stuff of nightmares: venomous, monster-sized spiders floating through the air and invading the northeastern US…
Starship lands in the ocean with its engines firing for the first time, bringing Elon Musk one step closer to Mars
SpaceX’s ambitious mega-rocket, Starship, just proved that it can not only fly into space but also survive the extreme…