There may not be as nearly as many small galaxies in the early universe as astronomers predict there should be, which has big implications for the story of how our universe grew up.
NASA and the U.S. Department of Energy have firmed up their commitment to develop a nuclear reactor for use on the surface of the moon by 2030.
"It points to a slow starvation rather than a single dramatic death blow."
"This result shows that the Event Horizon Telescope is not only useful for producing spectacular images, but can also be used to understand the physics that govern black hole jets."
For over two centuries, we have watched the red giant R Leonis dim and brighten with regularity, but this 'heartbeat' is beginning to speed up near the end of the star's life.
A California-based start-up wants to open a hotel on the moon by 2032 and is now accepting bookings for the out-of-this world travel experience.
Exploration advocates are pushing back against the planned cancellation of NASA's Mars sample return project, saying it could potentially find evidence of Red Planet life.
"We are in constant contact with NASA."
Scientists studying Jurassic rocks in China found that cyclical changes in Earth's orbit affected not only the climate, but also the development of shale oil reserves.
"The surprise that a supposedly quiet, discless system could drive such a spectacular nebula was one of those rare 'wow' moments."
