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 ...

15, 2025 — New observational data and simulation models have confirmed a new type of planet unlike anything found in the Solar System ... interplanetary ... Dec. 9, 2024 — Dust storms on ...

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

The rocky object called Bennu is classified as a near-Earth asteroid, currently making its closest approach to Earth every ...

Jan. 15, 2025 — New observational data and simulation models have confirmed a new type of planet unlike anything found in the Solar System ... its internal ... Dec. 9, 2024 — A NASA Hubble ...

In the coming years, an unprecedented number of people will leave planet Earth—but it’s becoming increasingly clear that deep ...

This week sees a special stargazing event, as as up to six planets will be visible in a line in the night sky.

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.

People will be able to see a rare sight at the end of this month when all seven other planets in our solar system line up in the night sky. For the last few weeks six of the planets have been ...

Look up this week for February’s full snow moon and to catch the last glimpse of a visible parade of planets in the night sky before they fade from view.

For the first time, astronomers have imaged dozens of belts around nearby stars where comets and tiny pebbles within them are ...