
Featured Image: Using Supernova Refsdal to Measure the Hubble Constant
The multiple images of supernova Refsdal visible in this photo have helped scientists to better pin down the value of the Hubble constant.
The multiple images of supernova Refsdal visible in this photo have helped scientists to better pin down the value of the Hubble constant.
When stars age and evolve into enormous red giants, what happens to close-in giant planets that orbit them?
Are you planning to watch 4th of July fireworks tonight? Here’s a little preview on a cosmic scale!
Astrobites reports on what we can learn from a white dwarf found moving along with a group of main-sequence stars.
Since the discovery of GW170817, what have we learned about the radiation that emerges from the collisions of compact objects like neutron stars?
Why are some solar flares associated with coronal mass ejections while others are not?
What’s going on with the magnetic fields inside the Pillars of Creation, one of the most iconic structures imaged by Hubble? A new study finds out.
Astrobites reports on how Gaia is helping us understand elements of our own galaxy — such as the long streams of stars that extend within the Milky Way’s stellar halo.
Observations from Cassini’s flyby reveal the icy surface of Saturn’s largest irregular moon.
Could we detect life on other planets from distinctive seasonal changes in planetary atmospheres?
Observations of a nearby monster supermassive black hole reveal more about the behavior of its powerful jets.
What if the diffuse interstellar medium isn’t smoothly distributed? Astrobites explores how the gas and dust between stars might clump up, and what impact this would have on the formation of large molecular clouds.