For a brief moment at the end of February, every planet will appear in the night sky simultaneously in a rare celestial ...

Hundreds of millions of Americans will have the chance in March to see the first total lunar eclipse in nearly three years.

Saturn, Venus, Neptune, Uranus, Jupiter, Mars and Mercury will be visible in an uncommon planetary alignment this month.

Last year, astronomers discovered an unusual Earth-size exoplanet they believe has a hemisphere of molten lava, with its ...

"Fasten Your Space Belts" could be part of a spaceflight one-two punch today. SpaceX plans to launch yet another batch of its Starlink internet satellites today, during a nearly 3.5-hour window that ...

Shares of RateGain Travel Technologies continued their decline for the eighth consecutive day on Tuesday (February 18) after the company revised its revenue guidance downward for the second time in ...