Musk took to Twitter to respond to Boeing CEO Dennis Muilenburg.
The Space Launch System Boeing is building with NASA will beat SpaceX's BFR to Mars, said CEO Dennis Muilenburg.
Another chapter of man vs. machine.
Larry James, NASA Jet Propulsion Laboratory, talks about space exploration and what scientists are discovering on the surface of Mars and throughout the solar system.
Terry Virts, former astronaut and "View from Above" author, talks about photographing rare views of Earth from space.
NASA's goal to reach Mars is just over a decade away, and Lockheed Martin revealed Thursday how humans might soon walk upon the red planet's surface.
NASA investigators are attempting to decipher why Hurricane Irma reached Category 5 to understand the path and growth of such a massive system, says Owen Kelley, research scientist at NASA Goddard.
A symphony of satellites track rainfall, wind speeds, temperatures and position of hurricanes as they develop and move.
NASA has been asking for suggestions from the public to beam up to the most distant man-made object in the universe, with Tuesday marking the final day for people to send in their requests.
Ever fancied yourself as a bit of a hero? How about the protector of mankind? Well now NASA is looking for just that – and it’ll pay a six-figure salary for the honour.
SpaceX has launched a communication satellite on the third try on Wednesday.
Elon Musk plans to send a robotic mission to Mars by 2024, way ahead of NASA's timetable. A public/private partnership may be in the offing.
Elon Musk's aerospace manufacturer and space transport service has 70 missions booked, representing $10 billion in contracts.
American Museum of Natural History Astrophysicist Neil deGrasse Tyson, "Astrophysics for People in a Hurry" author, talks about his new book and increasing people's literacy about the cosmos.
Space junk can carry the impact of a hand grenade, NBC News reports.
Saturn's icy white moon Enceladus has given NASA scientists another clue that it could have the right conditions for life, The Verge reports.
NASA is holding a press conference to discuss new findings, from the Cassini spacecraft and Hubble Space Telescope, about ocean worlds in the solar system.
SpaceX CEO Elon Musk is pleased, but not satisfied.
China's government is looking to its burgeoning space sector to rival US companies, like Elon Musk's Space X, to boost prestige.
A Japanese venture hopes to reap millions by being an interstellar garbage collector for dead satellites in space.