A mystery interstellar object spotted last week by astronomers could be the oldest comet ever seen, according to scientists. Named 3I/Atlas, it may be three billion years older than our own solar ...

However, new research has shown this potentially "water ice-rich" visitor could be even more extraordinary than initially ...

After running a new kind of computer simulation, scientists believe the comet originated from a rarely seen corner of the ...

ENTs occur when stars that are at least three times as massive as the Sun pass so close to a supermassive black hole that its colossal gravity shreds them to pieces. The resulting string of matter ...

The Milky Way could have many more satellite galaxies than scientists have previously been able to predict or observe. Durham ...

NASA released images of star clusters NGC 460 and NGC 456 in the Small Magellanic Cloud. Hubble shows visible light, while ...

Emily Kwong and Regina Barber of NPR's Short Wave talk about a comet visiting from interstellar space, caterpillars that eat ...

In our analysis this week, we look at how NASA's proposed budget would slash the agency's science division by nearly 50%.

For only the third time in recorded history, an interstellar object has crossed into our solar system, creating quite the ...

Names are a strange thing in astronomy. Sometimes scientists come up with grandiose, simple name, like the Extremely Large ...

The discovery resets our understanding of how ice behaves in the frigid vastness of deep space and could influence our ...

The experimental director Jem Cohen’s latest is an uncategorizable film about astronomers and humanity and love and the stars ...