Earth Day is more than just a date on the calendar; it represents a pivotal moment in our collective responsibility to protect the planet. With the theme for Earth Day 2025 focusing on 'Our Power, Our ...

One hypothesis suggests that a rogue planet, with a mass between one and two times that of Earth, may have altered their trajectories in the early solar system. Related Stories ・Scientists ...

So, even though Mercury is closer to the Sun, Venus is the hottest planet in the solar system. Mars has a hard, rocky surface with lots of iron in the soil which rusts, making the surface and ...

The solar system has many more moons than the one we ... center of Earth could settle a long-standing debate over how our planet formed. A stunning photo of a "parade of planets", shows Mars ...

Anyone who looked up at the sky on Wednesday night may have caught a glimpse of an impressive sight: all the planets of our solar system on display. The phenomenon — also known as a "planet ...

Planet A explores the shift towards an eco-friendly world and challenges the way we are dealing with climate change. We look at the big and the small: What we can do and how the system needs to ...

Our solar system, in contrast ... sizes of exoplanets and their period ratios — the number of days a given planet takes to orbit its star divided by the number of days it takes the next-closest ...

The number of planetary moons may also increase if we find more planets in the solar system. One such world is the elusive Planet Nine — a hypothetical giant planet that may lurk in the far ...

At this point, the planet is large enough to hold onto large amounts of hydrogen and helium and becomes a gas giant like Jupiter and Saturn in our solar system. Planets larger than Neptune are ...