A star disappeared in Andromeda, replaced by a black hole
Massive stars about eight times more massive than the Sun explode as supernovae at the end of their lives.
The explosions, which leave behind a...
Flowing Martian water was protected by sheets of carbon dioxide
Mars’ ancient climate is one of our Solar System’s most perplexing mysteries. The planet was once wet and warm; now it’s dry and cold.
Whatever...
You can build a home radio telescope to detect clouds of hydrogen in the...
If I ask you to picture a radio telescope, you probably imagine a large dish pointing to the sky, or even an array of...
Mighty radio bursts linked to massive galaxies
Since their discovery in 2007, fast radio bursts—extremely energetic pulses of radio-frequency light—have lit up the sky repeatedly, leading astronomers on a chase to...
Habitable worlds are found in safe places
When we think of exoplanets that may be able to support life, we hone in on the habitable zone.
A habitable zone is a region...
Feasting black hole found devouring matter at unbelievable speeds in early universe
Astronomers have discovered a black hole in the early universe that is consuming matter at an astonishing rate—more than 40 times the theoretical limit.
This...
Scientists uncover how icy Mars once hosted rivers and a vast lake
New research suggests that ancient Mars, despite its icy conditions, once had rivers, lakes, and even a vast Mediterranean-sized lake, all flowing under thick...
Jupiter’s Great Red Spot: Wobbling and shrinking like never before!
Jupiter’s Great Red Spot (GRS) has long been a mystery to astronomers.
This massive storm, larger than Earth, has swirled in Jupiter's atmosphere for over...
Microquasar in our galaxy fires powerful radiation towards Earth, study finds
For a long time, astronomers believed that extremely high-energy radiation was produced only in the jets of active galaxies, far from Earth.
But new observations...
Voyager 1 is forced to rely on its low power radio
Voyager 1 was launched waaaaaay back in 1977. I would have been 4 years old then!
It’s an incredible achievement that technology that was built...