NASA and SpaceX Are Feuding. Will They Make Up?

The space agency’s administrator, Jim Bridenstine, will meet Elon Musk at SpaceX headquarters on Thursday, weeks…

Nobel Prize in Physics Awarded for Studies of Earth’s Place in the Universe

The cosmologist James Peebles split the prize with the astrophysicists Michel Mayor and Didier Queloz, for…

First All-Female Spacewalk Is Back On, NASA Says

The mission was canceled in March after the agency said it did not have two properly…

An Astronaut Who Built Paths to Space for Other Women

Janet Kavandi, who recently retired from a senior NASA post, went to space three times and…

An Interstellar Comet, in Time for the Holidays

On Dec. 7, the extrasolar comet now known as 2I/Borisov will make its closest approach to…

SpaceX Unveils Silvery Vision to Mars: ‘It’s Basically an I.C.B.M. That Lands’

Elon Musk delivered an update on his company’s Starship prototype, which faces business challenges and neighbors…

Elon Musk to Deliver SpaceX Starship Presentation

The founder of the private launch company will offer a major update on its next major…

Congratulations, You Survived Black Hole Week

Here are three cosmic events you may have missed and that fortunately missed you. …

The First United Arab Emirates Astronaut Is Heading to the Space Station

The Persian Gulf country has an ambitious, budding space program. Click here for original…

Sigmund Jähn, First German in Space and a Hero Back Home, Dies at 82

He spent almost eight days aboard a space station in 1978 and was hailed by East…