"If our solar system is indeed moving this fast, we need to question fundamental assumptions about the large-scale structure ...

Even as interstellar comet 3I/ATLAS has the social media in frenzy over it allegedly being an alien probe on a reconnaissance ...

LOUISVILLE, Colo.--(BUSINESS WIRE)--Sierra Space, a leading pureplay commercial space company building the first end-to-end business and technology platform in space, announced today that it is on the ...

A 300-cubic-meter inflatable module exceeded NASA safety margins by more than 20% in a recent burst test. Credit: Sierra Space LONDON — Sierra Space has completed a second full-scale burst test of an ...

Private space company Sierra Space has blown up its first full-scale inflatable space habitat, dubbed the Large Integrated Flexible Environment (LIFE) — and it was all part of the plan. The ...

To see the word's premier astronomical observatory in its full-size glory, you need to go to Lagrange Point 2, a location in deep space on the opposite side of Earth from the sun that is farther away ...

CAMBRIDGE, Mass.–Astronomers led by an MIT professor have revised the scale used to assess the threat of asteroids and comets colliding with Earth to better communicate those risks with the public.

DIU launched a new program to scale the U.S. space supply chain and reduce dependence on traditional suppliers.