The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

While the composition of gas and dust in a molecular cloud is fairly uniform, everything changes once a star begins to form.

The formation of our solar system from a singular nebula raises an intriguing question: why did each planet develop with a ...

The exoplanet has a radius around 2.7 times and a mass about 8.2 times greater ... of hydrogen expands our understanding of the diversity of planets (just like this strange object in our Solar System) ...

Mercury joins the night sky to complete a 7-planet alignment just after sunset for the end of February. Saturn leaves our ...

15, 2025 — New observational data and simulation models have confirmed a new type of planet unlike ... could reshape our understanding of the Earth-Moon system and the broader solar system.

As a rare event, all planets in our solar system, except Mercury, are visible in one line, but only four can be seen with the naked eye these days, Space Scientist and Engineering Lecturer Gihan ...

While this parade of planets look to our eyes to be huddled in the evening sky, they are of course spread out across a vast chasm of space across the solar system, separated from each other by ...

The TRAPPIST-1 solar system ... astronomers across this section of the galaxy that our solar system hosts a sophisticated spacefaring and planet-changing species. If the TRAPPIST-1 solar system ...