A mosaic of images taken by the James Webb Space Telescope, showing the images of a single star as seen by the 18 segments of the spacecraft's primary mirror as part of the mirror alignment process.
The depths of the Earth still hold many surprises. A team of scientists has discovered that objects move horizontally in the Earth's mantle, nearly 1,864 miles (3,000 km) beneath our feet. This ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results