The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...
Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system.
A planet parade is when several of our solar system's planets are visible in the night sky at the same time. There will be six planets visible this time around, including Venus, Mars, Jupiter ...
Jan. 15, 2025 — New observational data and simulation models have confirmed a new type of planet unlike anything found in the Solar System. This provides another piece of the puzzle to ...
While the composition of gas and dust in a molecular cloud is fairly uniform, everything changes once a star begins to form.
Helium can help scientists detect the speed and direction at which we’re moving through space. Deuterium, which is left over ...
Look to the southwest sky after sunset on Saturday, as the sliver of a waxing crescent moon nears bright Venus with Saturn ...
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. The ...