Experts say there's a critical need to advocate for global cooperation and policy frameworks to protect lunar heritage before ...

Reversible programs run backward as easily as they run forward, saving energy in theory. After decades of research, they may ...

The Arctic is warming almost four times faster than the rest of the planet. High temperatures are already causing the ...

Our loved ones don’t expect much from us apart from New Month wishes, prayers and messages. Even when you don’t have much to ...

Sometimes mixing is a reversible change but mixing can also be an irreversible change. It all depends on whether you can separate out the substances that have been mixed. Burning is an example of ...

Then two years ago, the group predicted the world would pass that threshold between 2030 and 2035. Now, new data from the ...

could drastically reshape the world as we know it—causing changes that are irreversible on human timescales. Pushing ice sheets in Greenland and Antarctica past certain points, for example, can ...

Right now, it’s not insurance companies we should worry about. It is the unfolding, real-time collapse of insurance for ...

"Overusing vinegar, lemon, or other acidic cleaners can dull the surface of natural stone," says Harkey. "A microfiber cloth ...

Harvard will keep on beating Donald Trump in the courts, but this is asymmetric warfare. To Trump, the effort to subordinate ...

President Trump is trying to apply enough pressure to force the university to cave, while Harvard, a nearly 400-year-old ...

Allowing Iran to keep even a civil nuclear program is still too great a risk for regional and international security.