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.

Residents around B.C. reported hearing a loud boom and seeing a bright flash of light in the sky Tuesday evening. Experts say ...

“This house is a true ’70s home with a very ’70s kitchen,” Alysha says. “From the mustard linoleum floors, laminate counter ...

A brilliant fireball streaked across the skies over South Louisiana Monday evening, captured on video by multiple viewers and ...

Track the waning gibbous moon and bright star Antares in the pre-dawn sky on March 9. Learn where and when to see them, with telescope and binocular guidance.

Kayali's nebula view highlights the expanding structure of IC 443's luminous shell, which is visible to the upper right of ...

Astronomers have created the largest and most detailed 3D map yet of a glowing signal from the early universe, revealing hidden galaxies and gas from 9-11 billion years ago. By analyzing faint ...

A lucky alignment of galaxies allowed researchers to identify the most powerful and distant "space laser" ever found.

Is bright light always the right light? In todays homes, every space serves a different purpose -- from relaxing and ...

A galaxy made almost entirely of dark matter, an elusive form of matter that doesn’t interact with light, was spotted by Hubble 250 million light-years from Earth.

Which states can see the Northern Lights on March 6? Click for a list of the 10 northern states where the aurora borealis ...

A razor-thin spike of radio light, tuned to a wavelength of about 18 centimeters, just traveled more than 8 billion light-years and still arrived loud enough to stand out in MeerKAT’s data. That ...