President Trump and President Volodymyr Zelensky of Ukraine are among the world leaders who plan to attend the funeral. The ...

The morning of April 24 will give rise to a striking mini-planetary parade, as Mercury, Venus, Saturn, Neptune, and Earth's ...

Look to the eastern sky late Thursday, and a clear horizon will show you this unusual, grinning planet alignment.

The Hubble Space Telescope launched on April 24, 1990, aboard the Space Shuttle Discovery (STS-31), and deployed into Earth ...