Interstellar comet 3I/ATLAS likely formed where its star’s light couldn’t touch it
Interstellar comet 3I/ATLAS likely formed where its star’s light couldn’t touch it

“Every one of these objects we study helps us understand a little more about how planets form around other stars.”

No cities on the moon — there isn’t enough water, scientists say (op-ed)
No cities on the moon — there isn’t enough water, scientists say (op-ed)

The discovery of water in dark craters at the moon’s poles has sparked a “moon rush” to establish bases there, and then villages, cities and heavy industry. How sustainable is this rush?

Is there a hidden ‘Planet 9’ in our solar system?
Is there a hidden ‘Planet 9’ in our solar system?

For more than a century, astronomers have been captivated by the idea that an undiscovered planet could be lurking in the furthest reaches of our solar system.

James Webb Space Telescope and Hubble discover 27 puzzling new objects orbiting the sun far beyond Neptune
James Webb Space Telescope and Hubble discover 27 puzzling new objects orbiting the sun far beyond Neptune

The Hubble and James Webb space telescopes discovered some surprising things about 27 new tiny objects far beyond the orbit of Neptune.

James Webb Space Telescope discovers the rings of tiny solar system body Chariklo are changing
James Webb Space Telescope discovers the rings of tiny solar system body Chariklo are changing

Using the James Webb Space Telescope, astronomers have discovered that the ring system of the tiny solar system body is even more interesting than they knew.

NASA, IBM launch new AI model for studying the moon

NASA and IBM have developed an AI model to help sift through the mountains of data the agency has gathered about the moon.

The sun may once have swallowed a super-Earth planet and could still be hiding the evidence
The sun may once have swallowed a super-Earth planet and could still be hiding the evidence

The sun may have swallowed a super-Earth planet in its early history, and our star may still be hiding the evidence, new research suggests.

Scientists discover mysterious new X-ray objects ‘unlike any they have seen before’

Faint in X-rays but bright in ultraviolet light, new objects found by NASA’s Chandra space telescope could help solve two great astrophysical mysteries.

Scientists study 3,000 supernovas and discover that dark energy may be evolving
Scientists study 3,000 supernovas and discover that dark energy may be evolving

A catalog of almost 3,000 white dwarfs that exploded as type Ia supernovas after overfeeding on companion stars indicates that dark energy is changing over time.