Earth’s rotation is slowly slowing, scientists say, meaning days are getting longer, though the change takes millions of ...

Earth’s distant future has always been framed as a slow fade billions of years from now, but a new generation of models is painting a sharper and more unsettling picture. Instead of a gentle decline, ...

Searching for technosignatures—signs of technology on a planet that we can see from afar—remains a difficult task. There are so many different factors to consider, and we only have the technological ...

Scientists are sharpening their forecasts for how long Earth can remain a comfortable home for complex organisms, and the latest work points to a much earlier cutoff than the classic textbook ...

Our 24-hour day measures Earth’s rotation relative to the Sun, known as a solar day. This is slightly longer than Earth’s ...

New research reveals the Moon may have been silently collecting Earth’s atmosphere for billions of years. Scientists now ...

Clouds play an important role in determining the current and future temperature and global warming rate of the Earth. They simultaneously cool the Earth by reflecting sunlight and warm the planet by ...

Model-based scenarios of Earth’s future suggest that in the next few decades, eight of the nine planetary boundaries — safety limits for environmental pressure — could be crossed. However, targeted ...

These ancient cores may contain clues about an unexplained change in Earth’s glacial-interglacial cycles, and could shed light on how human-generated emissions will shape our planet’s future. Reading ...

The oxygen in Earth's atmosphere is key to making ours the only planet known to harbor life, but this precious resource is in limited supply. Although it is the best-known component of the air we ...

A snapshot of simulated climate conditions. Blue/red shading: sea surface temperature deviations from zonal mean; gray/white shading: low clouds; green/pink shading: 10m wind speed; blue/yellow ...