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

Planetariums were a hit with the public. Within decades, they had spread around the world – the first planetarium in the ...

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

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

NASA has discovered 3I/ATLAS, only the third known interstellar object, now passing through our solar system from the ...

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

A new interstellar object, A11pl3Z, has been discovered in our solar system, marking the third such object to be observed. It ...

You can watch comet 3I/ATLAS live online tonight (July 3), thanks to the Virtual Telescope Project, which will livestream ...

The object gained an official name, C/2025 N1 or 3I/ATLAS, on Wednesday. Moving at a record-setting speed for an interstellar ...

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

Stars often whip their planets with solar winds and radiation, pull them ever closer with gravity and sear them with heat.

British energy company Space Solar announced it successfully tested an in-space assembly method for its upcoming satellites.