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EarthSky Voices

Space weather: Your 5 questions answered

NASA answers 5 questions about space weather, from what does it do to Earth and how is it monitored to how can we prepare.

5 weird things that happen in outer space

Here are 5 weird things that happen in outer space: the state of plasma, extreme temperatures, cosmic alchemy, magnetic explosions and supersonic shocks.

December tornadoes: What caused the deadly US outbreak?

December tornadoes in a historic outbreak overnight from December 10 to 11, 2021, may have produced the longest-track tornado on record.

Atmospheric river drenched British Columbia, caused floods and mudslides

Records rainfalls drenching British Columbia and causing severe floods and landslides, were caused by a phenomenon called an atmospheric river.

November 2021 partial lunar eclipse longest for 1,000 years

The partial lunar eclipse on November 19, 2021, will be the longest since the 15th century, around the time Machu Picchu was being built.

Virtual reality can combat isolation on Earth and in space

Virtual reality may help alleviate some of the negative feelings of isolation, and this has potential implications for space travel.

Ultra-hot exoplanet has a weird, wild atmosphere

The ultra-hot exoplanet WASP-76b is a good example of weird, broiling Jupiter-type planets that have metal rain and fiery temperatures.

Global climate change may impact crops within 10 years

Global climate change may affect the production of maize (corn) and wheat as early as 2030 according to a new NASA study published in the journal, Nature Food.

New fossil discovery may add 100s of millions of years to animal evolution

A new fossil discovery may be the oldest animal fossil on record. The 890-million-year-old sponge would push back the evolutionary timeline for animals.

Artificial intelligence’s racial and gender bias problem

Artificial intelligence sometimes discriminates by race and sex. Rights-based regulations are needed to ensure that AI will not exacerbate inequalities.