3D spatial tomography estimates the 3D structure of a subject from images taken from multiple directions. On the other hand, newly developed phase-space tomography estimates the plasma phase-space ...

Physicists have taken a gemstone better known for engagement rings and turned it into a laboratory for one of the strangest ideas in modern physics, a phase of matter that repeats in time instead of ...

'We're anticipating another year or so of maximum phase before we really enter the declining phase.' When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

Quantum Space has acquired Phase Four’s multi-mode propulsion assets to boost its capability to deliver highly maneuverable, persistent and cost-efficient platforms for national security, civil and ...

The new system will provide conjunction data messages “for approximately 1,000 space objects six times a day” during phase 1.0. The Commerce Department announced on Monday that it has begun to beta ...

The U.S. Space Force is looking for advanced tech for space-based interceptors that can intercept ballistic missiles during their boost phase. Shown here, a view of Earth from the space shuttle ...

One of the most awkward parts of writing a book is that, eventually, authors have to ask people for “blurbs” – the endorsements that you see on the cover of a book, encouraging you to buy it. I am now ...

WASHINGTON — NASA expects to spend up to $1.5 billion to support at least two companies to demonstrate crew-tended space stations as part of the agency’s revised approach to transition from the ...