A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

WASHINGTON (Reuters) -Just as Earth orbits the sun, most planets discovered beyond our solar system orbit a host star.

Amir Siraj and team propose Planet Y, a possible unseen planet influencing Kuiper Belt object orbits. Vera C. Rubin ...

Astronomers have observed a massive growth rate in a free-floating rogue planet that’s gobbling up gas and dust at a record ...

Astronomers have spotted a free-floating ‘rogue’ planet, named Cha 1107-7626, that is going through a massive growth spurt, ...

"It shows that Makemake is not an inactive remnant of the outer solar system, but a dynamic body where methane ice is still ...

A team of astronomers took an actual photo of the first-known baby planet discovered in a gap of a star's protoplanetary disk.

UN secretary-general António Guterres has described Africa as home to 60 per cent of the “world’s best solar resources”. “You ...

In our own solar system, there are pretty good odds that you could stand on the surface of an asteroid and not even be able to see another one! Today we know of more than a million asteroids in the ...

In 2015, Hubble Space Telescope imagery was used to create an HD look at the gas giant planet Jupiter. [Facts about our solar system's largest planet] ...

The Sharjah Academy for Astronomy, Space Sciences, and Technology (SAASST) at the University of Sharjah has hosted a research ...

While Saturn has been visible in the night sky all of September, this weekend, the ringed planet will shine its brightest. Here’s what to know about its placement, and how to best see it.