Stars
A Red Dwarf Blasts off a Superflare. Any Life on its Planets Would Have a Very Bad Day
Astronomers observed a red dwarf superflare much more powerful than anything our Sun can produce. Bad news for any habitable-zone…
Surprising Discovery. Four Giant Planets Found Around a Very Young Star
What exactly is a "normal" solar system? If we thought we had some idea in the past, we definitely don't…
348 Years Ago, a French Astronomer Monk Might have Witnessed the Collision Between a White and Brown Dwarf Star
A collision between a white dwarf and a brown dwarf created the object we call CK Vulpeculae. It was first…
Gaia Sees Stars Out in Deep Space, Flying Between Galaxies
Based on Gaia's second data release, a team of astronomers from the Leiden Observatory have observed hyper-velocity stars that appear…
Inside the Crust of Neutron Stars, There’s Nuclear Pasta; the Hardest Known Substance in the Universe
A new study has shown that "nuclear pasta", which exists beneath crust of a neutron star, is the strongest material…
Oort Clouds Around Other Stars Should be Visible in the Cosmic Microwave Background
A new study by a team from the University of Pennsylvania suggests using maps of the Cosmic Microwave Background (CMB)…
170 Years Ago, Eta Carinae Erupted Dramatically. Astronomers Now Think They Know Why
170 years after the star Eta Carinae erupted and became the second brightest star in the galaxy, astronomers now have…
Thanks to a Gravitational Lens, Astronomers Can See an Individual Star 9 Billion Light-Years Away
In a recent study, a team of international astronomers used the gravitational lensing technique to study the most distant individual…
Tabby’s Star is Dipping Again!
According to updates by Tabetha Boyajian and her team, it appears that Tabby's Star recently experienced another major dip in…
Did the Milky Way Steal These Stars or Kick Them Out of the Galaxy?
A new study by an international team of astronomers has determined that stars in the Milky Way's halo actually formed…