How the Earth’s tilt creates short, cold January days

It all depends on where you are in the world and where your air is coming from

South India may see early, intense heatwaves thanks to El Nino and global warming

Early heat in southern part of country, even as the north reports colder than normal temperatures

COVID-19 seasonal, winter spread risk higher in temperate zones: WMO

Local and global positivity rates, presence of novel variants and local vaccination rates also important factors

Torpor: a neat survival trick once thought rare in Australian animals is actually widespread

To enter torpor, an animal decreases its metabolism, reducing its energy requirements

Roasted North: Why record-shattering heatwaves are burning the northern hemisphere

The heatwaves in the northern hemisphere are now frequent, early, intense and last longer as seen in Siberia last year and North America this year

Does coronavirus spread more easily in cold temperatures? Here’s what we know

Unfortunately, we will only learn exactly how changes in the weather affect the pandemic by living through it

Most humans haven’t evolved to cope with the cold, yet we dominate northern climates — here’s why

Sites from settlements such as Boxgrove in West Sussex offer clues about how ancient hominins survived northern climates

July 2023 likely to be warmest month on record

World seeing unprecedented warming in more than 100,000 years, say experts