Most of us first hear about the irrational number π (pi)—rounded off as 3.14, with an infinite number of decimal digits—in ...

Old appliances are inefficient and contribute to high utility bills. Replace this indispensable kitchen appliance, which runs ...

Keeping houseplants happy indoors can be a challenge, especially if your space doesn’t get much natural sunlight.

Earning passive income doesn't need to be difficult. You can start this week.

From bicycles to rockets, learning through experience – whether human or machine – is shaping the future of space exploration ...

The International Energy Agency (IEA) forecasts that global energy efficiency progress in 2025 will accelerate, with primary ...

If you're on the market for a new refrigerator, here's what options you need to look for in order to ensure you're not buying ...

Electric HVAC systems can help you keep your home comfortable using a fraction of the energy. We spoke to experts to find out just how efficient they are. Mike De Socio is a CNET contributor who ...

When Lukas Dahlström returned to Gotland to start his doctoral program at the GRASS graduate school, it was like coming full ...

EmPower+ is a first-in-the-nation program designed to reduce power consumption of New Yorkers. But it faces significant ...

Wastewater heat recovery, which recycles hot water from drains to preheat new water, could cut coal use, lower carbon ...

A Prime membership gives you a load of benefits but which services you use will determine the actual value of a subscription.