Several components in your car hold coolant, often called antifreeze, and any of them can get a hole or develop a leak. If your car loses too much coolant, its engine could overheat. Coolant is also ...

Two Russian spacewalkers floated outside the International Space Station Wednesday and isolated a leaking radiator as planned, apparently causing residual coolant still trapped inside to make its way ...

The coolant inside your car's engine does more than keep it cool. Although your engine will run fine with regular water, coolant has anti-freeze and lubricating properties to prevent corrosion to ...

The Boeing Starliner will return to Earth no earlier than June 22, a four-day delay from its previous target date. Helium leaks, discovered once Starliner was in space, may be part of the reason for ...

A sizable coolant leak from one of Russia's Soyuz crew spacecraft docked to the International Space Station forced cosmonauts to cancel a spacewalk as flight controllers on the ground worked to ...

Freeze plugs don't make your engine freeze up, and they aren't useful only when it's freezing out. They're a crucial part of ...