The striking blue stars of the Leo P dwarf galaxy appear dashed across the lower right corner of this image from NASA's James ...

If you’ve been a faithful reader of my Skywatch column, thank you! You also know how much I love the winter constellations ...

Astronomers measure a star’s brightness using the apparent magnitude system, where lower values indicate brighter stars.

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S&P 500 stocks Constellation Energy and Vistra rose after President Donald Trump announced the Stargate AI investment plan late Tuesday. Santee Cooper, the big power provider in South Carolina ...

Leo P, a galaxy once dormant, has reawakened to form stars again, offering new clues about the universe's earliest galaxies.

The Moon meets the Red Planet’s rival in Scorpius, skims close to Saturn, and reaches New phase in the sky this week.