According to these calculations, Earth's total lifespan will be about 9.5 billion years.

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Among the uncounted stars in the universe may be worlds with environments unlike anything we have ever experienced. From crushing gravity and toxic atmospheres to methane seas and eternal storms, ...

It's well established that the universe is expanding, but there's serious disagreement among scientists over how fast it's ...

The wonders of life on Earth are endless, but all that may never have come to pass were it not for the planet having the perfect amount of oxygen at birth.

If you look across space with a telescope, you’ll see countless galaxies, most of which host large central black holes, billions of stars and their attendant planets. The universe teems with huge, ...

A star about 600 light-years away is giving astronomers a front-row view to the environments in which rocky planets like Earth form around the most abundant stars in the universe. Called ISO-ChaI 147, ...

The balloon-based EXCITE mission measures infrared phase curves of hot Jupiter exoplanets to map temperature and atmospheric composition from long-duration Antarctic flights.

A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, ...

"What's so exciting is that we're seeing a preview of what will become a very normal planetary system." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

The International Astronomical Union (IAU) defines a planet as a celestial body orbiting the Sun, possessing sufficient mass for a nearly spherical shape, and having cleared its orbital neighborhood ...

For life to develop on a planet, certain chemical elements are needed in sufficient quantities. Phosphorus and nitrogen are essential. Phosphorus is vital for the formation of DNA and RNA, which store ...