The constellation of Canis Major is visible in the winter sky this month.
A volatile double star system appears to change its behavior rapidly and unpredictably like a cosmic story of Dr. Jekyll and Mr. Hyde.
Stars don't see gender, and now, NASA is working to not see it either when allocating telescope time to scientists, inspired by a successful experiment with the Hubble Space Telescope.
The more astronomers consider the advent of satellite megaconstellations, the more anxious they get.
For the first time, astrophysicists have detected a pattern in fast radio bursts, one of the most mysterious phenomena in the universe.
The Dipper is more than just a bright and familiar star pattern. It's a compass, a clock, a calendar and a ruler all rolled into one!
One of the brightest stars you'll see in the sky these days is Betelgeuse, whose red tones provide a fun skywatching target in February.
Astronomers uncovered a pair of invisible stars creating ripples in space-time, a phenomenon known as gravitational lensing.
Astronomers just discovered a rare monster galaxy that grew rapidly in the universe's early days — and then went quiet surprisingly fast.
A stunning rainbow-colored cloud of gas surrounds a pair of stars that duked it out a few hundred years ago.
Sometimes the forming star swallows up a huge amount of matter, resulting in a burst of activities in the massive star.
It was a big moment for our cosmos when the first stars awoke, but it's an elusive one for scientists.
The best infrared eye in the universe has closed, and scientists will need to wait at least a year before any similar instrument is at work again.
The way the fabric of space and time swirls in a cosmic whirlpool around a dead star has confirmed yet another prediction from Einstein's theory of general relativity, a new study finds.
One of NASA's great telescopes will go offline today (Jan. 30) after 16.5 years of observations that helped to paint a more complete picture of the universe.
This rare finding was made by "accident," according to the research team that found the super-outburst.
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