A century ago, Edwin Hubble revolutionized our understanding of the universe by proving that the Milky Way is just one of many galaxies in an ever-expanding cosmos. This breakthrough led to the ...

The moon will appear to take bites out of the sun this weekend during a partial solar eclipse in the Northern Hemisphere — ...

A red giant star and white dwarf orbit each other in this animation of a nova similar to T Coronae Borealis. Image via ...

Saturn is below Venus and very low in the predawn sky. In late April it is five degrees above the horizon. You may need ...

Ever overheard cockpit lingo and wondered what it means? From "wilco" to "read-back," here are the definitions to keep you ...

President Volodymyr Zelenskyy on March 29 pleaded for a strong response from Ukraine’s Western partners as deadly Russian attacks mounted, including air strikes on a Kharkiv military hospital and on ...