Can you design a mechanism that will trace out the shape of a heart? How about the shape of a moon, or a star? Mechanism ...

Iran and the U.S. traded threats and warnings even as negotiators sat down to discuss a deal to avert a war, but Tehran says "we now have a clearer path ahead." ...

US envoy Steve Witkoff and US President Donald Trump’s son-in-law Jared Kushner are meeting with both Iranian and Ukrainian officials today in separate meetings in Geneva. Follow here for the latest.

Officials from the United States and Iran met for three hours about Tehran’s nuclear program on Tuesday, with the Iranian foreign minister offering a vague but positive assessment of the talks. U.S.

American and Iranian negotiators have hashed out “guiding principles” for an agreement during the second round of talks on ...

Out of this moment of fear and uncertainty comes the chance to imagine a democracy that has never fully existed.

Thinking about investing in an LED face mask? Here’s how it works and which dermatologist-approved, top-rated devices are ...

When light passes through materials, it typically changes direction and bends in predictable ways. This change in direction, known as refraction, is caused by a change in the speed of light as it ...

Since it turned on, the James Webb Space Telescope has revealed dozens of mysterious red blobs in space. The so-called Little ...

Scientists in Austria and Germany have developed a new type of material that could replace the green component used in most modern LED lights, potentially making lighting technology cheaper, more ...