Researchers have figured out why V Sagittae is so gosh dang bright. The hot super-Earth exoplanet has a magma ocean and orbits a very old star. Should the mission proceed as planned, it will mark a ...

More than 20 years after founding SpaceX, the record-breaking company that transformed the global space industry, Elon Musk is planning to take the enterprise public. The moon's surface may be more ...

When is the winter solstice? The next winter solstice for the Northern Hemisphere will occur on Dec. 21, 2025, and the next Winter Solstice for the Southern Hemisphere will occur on June 21, 2025. The ...

The sun's distance from Earth changes throughout the year but it has nothing to do with the seasons. The term "perihelion" describes the point in an astronomical body's orbit where it is nearest to ...