"Even if a planet is in the habitable zone, if it has too small a water inventory, it transitions to an uninhabitable state." ...

The discovery of planets outside our solar system has reshaped humanity’s understanding of the universe. Since the ...

A planet parade is when several of our solar system's planets are visible in the night sky at the same time. There will be six planets visible this time around, including Venus, Mars ...

The odd atmosphere of a fledgling exoplanet is causing astronomers to question leading theories of how planets form. When you purchase through links on our site, we may earn an affiliate commission.

Want to see Mars at its brightest in January? The best telescopes for seeing planets give you the clearest views of our celestial neighbors. The new year is a great time to test out your ...

Terraforming: Although still theoretical ... Ethical Risks: The colonization of other planets raises ethical questions, such as the right to exploit extraterrestrial resources.

Obviously, we can’t just pack our stuff and move there today. But what if we terraformed it – reshaped it into an Earth's image? How long would it take us to turn our natural satellite ...

Under the ice: Models for the interior structures of the ice-giant planets Uranus and Neptune have two distinct, intermediate layers: an upper, water-rich convecting layer where disorganized magnetic ...

Such stars possess only small amounts of heavier elements that are the building blocks of planets. This implied that some planet formation happened when our universe was very young, and those planets ...

Planets form in clouds of gas and dust known as protoplanetary disks around young stars. But the formation process of multi-planet systems, like our own Solar System, is still poorly understood.

Feeling a little tense and unruly? No, it’s not just the silly season, there are five planets retrograde — including Mercury Retrograde, Mars Retrograde and more — so naturally, we’re ...

The space agency has learned a lot over 10 years observing the weather of our solar system's outer planets. The Hubble Space Telescope has spent more than thirty years providing some of the most ...