We know matter and anti-matter rarely interact, but astrophysicist Paul Sutter holds entire globular clusters could be made of anti-matter.
It would have to be the entire cluster, though.
We know matter and anti-matter rarely interact, but astrophysicist Paul Sutter holds entire globular clusters could be made of anti-matter.
It would have to be the entire cluster, though.
A black hole that was bright in the X-ray has dimmed substantially.
Astronomers aren't sure why.
MIT researchers have found an extremely early galaxy that seems to be filled with dark matter.
That could change our view of the evolution of the universe.
Press secretary Jen Psaki seems to have gotten off on the wrong foot when making seemingly dismissive remarks about the Space Force.
President Biden has yet to comment about space policy.
NASA is slowing the development of the lunar landing vehicle for the Artemis program.
President Biden has yet to announce his space policy.
SpaceX is planning the first private human spaceflight for this year.
That would be a monumental event.
Today is the eighteenth anniversary of the Columbia tragedy.
That was the beginning of the end of the space shuttle program, which in turn has led to the opening of a new era of human space exploration.