Unusual ‘ingredients’ helped stars form in a galaxy near the Milky Way

Some newly found stars in a small galaxy called Sextans A are forming without some of the usual “ingredients,” raising questions about how the early universe evolved.

The universe should be packed with tiny galaxies — so where are they?

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.

The US really wants a nuclear reactor on the moon by 2030. ‘Achieving this future requires harnessing nuclear power,’ NASA chief says

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.

Astronomers watch 2 supermassive black holes caught in a twisted dance with never-before-seen jet behavior

“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.”

We may be witnessing the messy death of a star in real time

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.

This company is taking $1 million reservations for hotel rooms on the moon

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.

Experts push back against cancellation of NASA’s Mars sample return project

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.