The NASA DART spacecraft shifted the orbits of two asteroids around the sun after intentionally crashing into one of them.

The company is seeking F.C.C. approval to test an idea to reflect sunlight to Earth at night, possibly powering solar panels. Critics say it could be bad for people and wildlife.

A new study has found that an asteroid NASA used for target practice a few years ago was nudged into a slightly different ...

Many already struggle with sleep. Citing national security, an unusual executive order gave protection to the herbicide Roundup. It also protected the U.S.’s only supply of a controversial, highly ...

Scientists have discovered that electrons in solar materials can be launched across molecules almost as fast as nature allows, driven by tiny atomic vibrations.