An alternate explanation that fits the evidence is that Vesta was once part of a planet – but which planet that might been ...

A ninth planet the size of Neptune may be hidden in the far reaches of the solar system, but the evidence has left some experts skeptical.

Symphony San Jose ’s program, which people can experience on Saturday, May 10, 2025, at 7:30 p.m. and Sunday, May 11, at 2:30 ...

For years, astronomers have been searching for a ninth planet in our solar system (after giving Pluto the old heave-ho and demoting it to a dwarf planet) and now researchers say they’ve found a ...

The Hubble Space Telescope time-lapse captured footage of Jupiter, Saturn, Uranus and Neptune. Credit: SCIENCE: NASA, ESA, ...

Indeed, other planets, dwarf planets and moons in our solar system do have seasonal cycles — and they can look wildly different from the ones we experience on Earth, experts told Live Science.

In 2005, thanks to Michael Brown’s scientific antics, Pluto was removed from the list of planets in the solar system. In 1968, the Apollo 8 mission flew around the moon. In 2001, Chris Hadfield became ...

Over the past decade or so, astronomers have speculated about the characteristics of rogue planets in the Milky Way galaxy. These "free-floating" worlds don't orbit stars, but instead roam the ...

New views of TOI-421 b by JWST gives insight into how the most common type of planet in the galaxy might form.

For nearly a decade, scientists have been on the hunt for Planet Nine – a hypothetical celestial object on the edge of our Solar System. Now, astronomers claim to have discovered this ninth ...