In thermodynamics, heat is the thermal energy transferred between systems due to a temperature difference.

Read more in the app

Elephants' Giant Hot Testicles Might Be the Reason They Get Less Cancer

Experimental reusable booster Themis and new methalox engine Prometheus complete first hot-fire tests in France

The Inside of the Earth Is As Hot as the Sun’s Surface – How Has It Stayed That Way for Billions of Years?

What Hot Elephant Testicles Can Tell Us About Fighting Cancer

Why Texas Could Be As Hot As The Sahara Desert This Week

Megalodon sharks may have become megapredators by running hot

Hot Earth or Young Venus: Nearby Super-Earth May Reveal Secrets about Edge of Habitability

New Research Challenges Longstanding Beliefs About the Isolation of “Hot Jupiters”

Scientists unearth 20 million years of 'hot spot' magmatism under Cocos plate

This Hot Jupiter is Leaving a Swirling Tail of Helium in its Wake

The UK Is a Hot Country. It’s Time to Build Like It

A Planet So Hot Its Atmosphere Contains the Raw Material for Rocks

Hot Days, Hot Tempers: The Correlation Between Warm, Polluted Days and Dog Bites

A scorching-hot exoplanet scrutinized by astronomers

Ultra-hot exoplanet has an atmosphere of vaporized rock

Friendless 'hot Jupiter' exoplanets may not be so lonely after all

'Hot Jupiters' may not be orbiting alone

Galaxy group blasts out record-breaking tail of hot gas after gobbling up neighbor (video)

RFA completes full duration hot fire of a staged-combustion upper stage (280 sec)

James Webb Space Telescope finds water in super-hot exoplanet's atmosphere