How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...

Artist's impression of Planet Nine – a suspected “wide-orbit” planet – with the Sun in the distance; Neptune's orbit is shown ...

Rocky bodies called protoplanets were thought to have formed slightly earlier in the inner solar system than those beyond the ...

The planets in order from the Sun are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. If you include the ...

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, ...

The Sun, our life-giving star, is slowly dying. In about 5 billion years, it will exhaust its fuel and transform into a red giant, altering the solar system forever. But long before that, the Sun’s ...

I/ATLAS is only the third interstellar object ever detected. You can stream the object live today, or maybe see it from your ...

NASA telescopes in Chile have discovered a comet from interstellar space, making its closest approach in October.

The sun rises from the east, and sets in the west - this is a well-established fact for the longest time, and this is due to ...

Researchers from the Nanjing Institute of Geology and Paleontology of the Chinese Academy of Sciences and Columbia University ...

When we gaze into the night sky, we see a tiny fraction of what lies beyond our Solar System. In the vastness of space, our Sun and its planets are but a speck of dust. There are thousands of stars ...

Based on the comet's brightness and current distance — it's located just inside Jupiter's orbit — scientists estimate its ...