Universe Today50- Page

Since sending the first human into space in the 1960s, the solution to one key challenge has remained elusive: the efficient and reliable production of oxygen in space. On the

According to astronomers, water worlds, though admittedly not those containing Kevin Costner, are one of the most common types of planets in our solar system. This is partly due to

Wait wait wait. There are other, less stressful options. I don’t want to end on such a downer note. There is hope for us yet!

For nearly a century, cosmologists have relied on a simplified model of the universe that treats matter as uniform particles that don’t interact with each other. While this approach helped

When most stars like the Sun die, they don’t go out with a bang, they fade away as white dwarf stars, Earth-sized remnants that slowly cool over billions of years.

New research based on samples from asteroid Bennu show that the asteroid contains materials from throughout the Solar System. Some of its materials are from even more distant realms: the

What about the middle stages? The march from single-celled organisms doing their single-celled thing to intelligent creatures that can wield tools and leave feedback reviews about them?

Astronomers sometimes find conflicting data when trying to answer a question. This is a normal part of the scientific process, and it simply means that more data is needed to

For the first time, astrophysicists have spotted a supernova right before it explodes. This is a rare glimpse inside a massive star before it meets its doom. The star was

Now versions of the Great Filter argument had been around for decades (just like Fermi was not the first person to ask where everybody is), but the most comprehensive form