Explore how Earth would appear without life. Studies from Universe Today and Cornell University reveal atmospheric signals, surface conditions, and implications for exoplanet observations.

Titan, Saturn’s largest moon, possesses a thick, nitrogen-rich atmosphere that bears striking similarities to that of early Earth. Scientists are fascinated by Titan’s atmospheric composition and its ...

The Earth’s atmosphere is a complex and dynamic envelope comprised primarily of nitrogen and oxygen, with trace gases such as carbon dioxide, methane, water vapour and ozone playing outsized roles in ...

Frequent deployment of satellites and re-entries by the rockets that deploy them might pose a risk to the Earth's upper atmosphere, a study indicates.

The Daily Atmospheric Ionospheric Limb Imager (DAILI) CubeSat successfully launched aboard the SpaceX Falcon 9 rocket at 5:07 a.m. EST on Dec. 21, 2021 from Launch Complex 39A at NASA’s Kennedy Space ...

A recent study has confirmed that SpaceX rockets reentering Earth's atmosphere are contributing to metal pollution, as ...

GOLDEN, CO — The surge in megasatellite constellations is creating problems beyond amplifying the Earth-circling space debris, according to new research. Reentering spacecraft and rocket stages may ...