Telescopes
The four-year process of casting the sixth of seven primary mirrors for the Giant Magellan Telescope began this month.
How’s the weather up there? Even for exoplanets that are many light-years away, astronomers can learn about their atmospheres.
The lunar surface offers advantages for infrared and radio astronomy, despite the challenges.
Multiple researchers suggest that dead magnetic stars have likely been behind the rare, intense bursts of radio waves that began in 2007.
Theoretical astrophysicists predict that a glowing halo just outside the event horizon should surround all black holes.
It’s one of NASA’s longest-living and most valuable telescopes, sending back amazing space images to Earth for decades.
Scientists may soon be able to observe a dramatic, long-predicted consequence of Einstein’s theory of general relativity.
Puzzling planets with the apparent density of cotton candy probably have rings, according to a new study.
We honor the spacecraft’s 16-year journey with five beautiful images from the telescope.
That’s when the two stars in the binary system V Sagittae are set to merge in a spectacularly luminous fashion.
The SETI Institute leads the hunt for extraterrestrials, which has entered a new phase with myriad planets to focus on.
Astrophysicists devised a new theory that may explain the formation of black holes with masses exceeding 50 times that of our own sun.