The Westerlund 2 star cluster is home to some of the Milky Way's brightest stars.
The axion could be a contender to explain the mystery of dark matter.
Using the Hubble space telescope, astronomers have imaged "'Dracula’s Chivito" the largest site of planetary birth ever seen.
A sampling of aging Sun-like stars demonstrates that they likely eat their closest planets.
"We do not know with certainty that we found a superkilonova, but the event nevertheless is eye-opening."
"It's like looking back in time in a sense, to that violent period of our solar system when it was less than a billion years old."
The nova eruptions come about when a white dwarf steals too much matter from a close red giant companion.
"With ALMA, we can now see the atmosphere of a dying star with a level of clarity in a similar way to what we do for the sun."
"It’s kind of a jigsaw puzzle where all the different pieces are moving."
The Very Large Telescope's SPHERE instrument captured unprecedented images of 51 dusty rings shaping young planetary systems.