The Basic Building Blocks Every Cloud Needs Clouds need two essential ingredients to form, and both must be present ...

Recently, unusual events have been seen in several parts of Mexico, such as the northern lights in Nuevo Leon and now these strange shapes in the clouds in Puebla. What are they an ...

Research team identifies common environmental conditions for the formation of contrails and provides initial insights into ...

Cloud cover is bad for picnics and for viewing stars through a telescope. But an exoplanet with dense or even total cloud ...

New research shows most long-lasting contrails form inside natural clouds, reshaping how airlines plan climate-friendly flight routes.

Contrails in the blue sky remind us of daily air traffic—and its impact on the climate. However, the effect of contrails on ...

November 2025Contrails in the blue sky remind us of daily air traffic - and its impact on the climate. However, the effect of ...

Many people across southern Colorado were treated to a rare and stunning sight last night: seeing the northern lights visible ...

If you've ever looked up at the sky and seen an airliner flying overhead, you may have noticed white trails behind it.

Contrails in the blue sky remind us of daily air traffic – and its impact on the climate. However, the effect of contrails on the climate is still only partially understood. It is assumed that they ...

Seeing the Northern Lights with one's own eyes is likely on many people's bucket lists. Magical, fascinating, and unique each time, this natural spectacle primarily occurs during the fall and winter ...

Sky watchers in New Hampshire have the chance to see the northern lights or aurora borealis Tuesday and Wednesday nights.