phenomena

Like the climate crisis or the crisis of democratic legitimacy, the affordability crisis has become an umbrella term for countless loosely connected phenomena.

The entries, many of which draw on clinical studies, offer real understanding and give surprising context to ordinary phenomena in this appealing fourth entry in the “Everything You Know About” series.

Skies as far south as Mexico lit up Tuesday night with faint pink and green glows, delighting many people who would normally have to travel much closer to the Earth's poles to see such phenomena.

Either it is, in the phenomena of everyday life, or we are not.

Although the study doesn't end the debate, it reestablishes dark matter as a leading explanation for one of modern astronomy's most intriguing phenomena.