Brian Koberlein

Not Just Gold. Colliding Neutron Stars Forge Strontium, Lanthanum, and Cerium

Thanks to multi-messanger astronomy, we now know colliding neutron stars create more heavy elements beyond gold.

2 years ago

JWST Sees the Same Galaxy From Three Different Angles Thanks to a Gravitational Lens

The Webb Telescope can see distant galaxies incredibly well, even when they are gravitationally lensed by galactic clusters.

2 years ago

The Smallest, Lightest Neutron Star Ever Seen Could be a “Strange Star”

A neutron star lighter than the Sun could be a strange matter star.

2 years ago

Scientists Find an Ancient Stellar Catalog Written by Hipparcus Hidden in a Medieval Tome

Spectral imaging reveals the Hipparchus astronomical catalog was much more precise than we thought.

2 years ago

Astronomers Chart the Influence of Dark Matter and Dark Energy on the Universe by Measuring Over 1,500 Supernovae

Two decades of supernova observations still leave big mysteries unsolved.

2 years ago

Astronomers Think They Have a Warning Sign for When Massive Stars are About to Explode as Supernovae

A study of red supergiant supernovae suggests they become dim and red just before they day.

2 years ago

A Solar Gravitational Lens Will be Humanity's Most Powerful Telescope. What are its Best Targets?

In the future, astronomers could use the Sun's gravity as a telescopic lens, and map the surfaces of nearby exoplanets.

2 years ago

The Milky Way is Surrounded by a Vast Graveyard of Dead Stars

Astronomers have mapped the location of the Milky Way's black holes and neutron stars.

2 years ago

A Dwarf Galaxy Passed Close to the Milky Way and Left Ripples in its Wake

An ancient collison with the Milky Way is still causing ripples in our galaxy according to Gaia data.

2 years ago

Jupiter’s Atmosphere is Surprisingly Hot

Jupiter's upper atmosphere should be pretty cold, but it is surprisingly quite hot.

2 years ago