"I'm becoming much more optimistic that we may be able to find life beyond Earth, even in our own solar system." ...

The billionaire tech entrepreneur and Elon Musk ally will face questions about his explosive “Project Athena” plan for the space agency.

Elisha Sauers writes about space for Mashable, taking deep dives into NASA's moon and Mars missions, chatting up astronauts ...

The asteroid Bennu continues to provide new clues to scientists' biggest questions about the formation of the early solar ...

NASA's exoplanet-hunting spacecraft TESS has heard the song a star-quaking red giant sings to its partner black hole.

The third interstellar comet, 3I/ATLAS, has sparked alien speculation. NASA reveals new Hubble and Webb images tonight. Will ...

President Donald Trump’s pick to lead NASA, billionaire SpaceX astronaut Jared Isaacman, will warn lawmakers during a Senate ...

The landing was a vindication for CLPS but an even bigger victory for Firefly, which had been known primarily as a launch ...

The rare interstellar comet, also known as 3I/ATLAS, was first discovered in July and has been photographed several times.

The new space station crew includes American Chris Williams, who holds a Ph.D. in astronomy and is a board-certified medical ...

The object is the third interstellar visitor to our solar system ever confirmed. It will reach its closest point to Earth ...

The U.S. Senate will hold a hearing to consider billionaire tech entrepreneur Jared Isaacman's re-nomination for NASA chief ...