What's special about Chiron's rings is that they're still forming; this marks the first time astronomers have ever seen a ...
The interstellar object 3I/ATLAS has gathered significant scientific attention, and soon it will reach its closest point to ...
The Hubble Space Telescope time-lapse captured footage of Jupiter, Saturn, Uranus and Neptune. Credit: SCIENCE: NASA, ESA, ...
Live Science on MSN
Which planets are the youngest and oldest in our solar system?
There are a couple of ways that scientists can date planets, so which planets formed first in our solar system?
From lava worlds to gas giants, NASA says the variety of these worlds is staggering—and that signs of a further 8,000 distant ...
Space.com on MSNOpinion
Strange 'puffy' alien world breaks every rule for how planets should behave
A low-density, puffy planet orbiting relatively far from a young star in a nearly perpendicular orbit. What's going on?
Live Science on MSN
'Planet Y' theory hints at hidden Earth-size world lurking in the solar system — and it could be much closer to us than 'Planet Nine'
A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth ...
Astronomers are investigating a potential hidden planet, dubbed Planet Y, far beyond Neptune. Its gravitational pull is ...
A discovery in V883 Orionis' planet-forming disk suggests Earth's water could have come from ancient interstellar ice that ...
The European Space Agency also hoped to observe the interstellar object during its close approach to Mars using two ...
Viewed from orbit, Jackass Flats — situated in southern Nevada about 65 miles northwest of Las Vegas — could easily be ...
Humanity's drive to explore has taken us across the solar system, with astronaut boots, various landers and rovers' wheels ...
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