Brian Koberlein
Can an Asteroid's Movements Reveal a New Force in the Universe?
When NASA's OSIRIS-REx mission arrived at asteroid Bennu, its primary mission was to grab a sample and bring it home…
A Black Hole has Destroyed a Star, and Used the Wreckage to Pummel Another Star
Astronomers have discovered the telltale signature of a supermassive black hole that recently tore a star apart that came too…
Most Mars Meteorites Came From Five Craters
We've learned a tremendous amount about Mars because samples from the Red Planet have already been delivered to Earth: meteorites.…
The Sun Unleashes its Strongest Flare This Cycle
As we approach the peak of Solar Cycle 25, we can expect more and more activity on the Sun. And…
Gravitational Lens Confirms the Hubble Tension
Astronomers want new ways to measure distance in the Universe, working to calculate its rate of expansion. A new image…
Bernard's Star Has a Planet (Again)!
The red dwarf Barnard's Star is the closest single star to the Sun, only six light-years away. Astronomers have announced…
How Does the Milky Way Compare to Other Galaxies?
Looking out into the universe, astronomers have identified countless spiral galaxies similar to the Milky Way. But is our home…
Martian Clay Could Be Hiding the Planet's Atmosphere
We know that Mars was once a warmer, wetter world with a thicker atmosphere, but now it has 1% of…
Dark Matter Could a Have Slight Interaction With Regular Matter
Dark matter seems to be an invisible particle that only interacts with regular matter (or itself) through gravity. But in…
Biosignatures Can be Made in the Lab. No Life Needed.
Astrobiologists continue to search for their ideal biosignatures. A chemical or collection of chemicals that would give a clear indication…