Does our Solar System have 9 planets or only 8? Astronomers have gone back and forth on that a lot, with Pluto now being classified as a dwarf planet. However, out beyond Neptune there could be ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

New findings offer clues about the ancient origins of asteroids and their potential role in the formation of terrestrial ...

The planetary parade in February 2025 will see five bright planets in clear view and a special alignment of Mercury and ...

February will be an awe-inspiring month for astronomy enthusiasts who will be able to the see the solar system's planets ...

New research shows that star activity can distort exoplanet measurements, affecting size, temperature, and atmosphere ...

It is not often that all the planets in the Solar System other than ours are lined up across the night sky for us to see.

Mercury is the closest planet to the sun, followed by Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. Mercury orbits ...

Why is Pluto no longer a planet? Discover the real reason behind Pluto’s reclassification as a dwarf planet and the science that led to this change.

While this parade of planets look to our eyes to be huddled in the evening sky, they are of course spread out across a vast chasm of space across the solar system, separated from each other by ...

Baker said that there are other astronomical events that may be more interesting than the parade of planets. Baker said Mars ...

These embryos, somewhere between small planetesimals and fully formed planets, were abundant during the solar system's formative stages and played a critical role in planetary formation.