Discovered last month by a telescope in Chile, the comet known as 3I-Atlas is only the third known interstellar object to ...

If you need to remember your tiny place in the space-time continuum, it’s time to listen to SolarBeat, a flash animation that converts the orbital frequencies of our solar system into notes.

Since the formation of the Solar System, the orbits of the planets have evolved and changed over time. While one of the most prominent ideas in the last few decades is planetary migrations and the ...

NASA artist’s conception of a brown dwarf (main) and stock image of the planets in the solar system (inset). An object between 2 and 50 times the mass of Jupiter may have flown through our ...

Their orbits tend to be less than 10 days long; by comparison, Mercury in our own solar system circles the sun every 88 days.

All solar systems, including our own, are thought to have started out like this one, according to the scientists. But it’s estimated that only 1 in 100 systems have retained that synchrony, and ...

The object, designated 2020 VN40, is part of a family of distant solar system objects called trans-Neptunian objects (TNOs). 2020 VN40 is the first object discovered that orbits the sun once for ...