Gravitational assists are an emblematic example of why space travel is hard —it is exactly rocket science, after all. Gravity ...

Southwest Research Institute has collaborated with Yale University to summarize the scientific community's notable progress ...

On June 17, in the year 2 B.C.E, a significant planetary conjunction occurred involving Venus and Jupiter. From Earth’s ...

Summer arrives for northern observers as the Moon visits Venus, Uranus, and Mercury. Plus: globular cluster M15, double star ...

A later variation appeared in a book, titled The Discovery of a World in the Moone by John Wilkins (1614-1672), an English ...

Moving from the outer layer inward, the first layer is the corona — the outermost part of the sun’s atmosphere that is ...

Over the last few years, the term "Goldilocks zone" has come to be widely used to describe the range of distances from a star ...

From Mars & Regulus to Saturn near the Moon and Venus at dawn, the night sky dazzles June 13-19, 2025. Spot deep-sky gems and ...

Here's all you need to know about the unlucky and lucky zodiac signs during the Summer Solstice on 21 June 2025 and their ...

The Sun's polar regions are pretty busy and chaotic places, but our newfound views of its south pole will help predict future ...

It’s another big week in the sky — astrologically and astronomically. Mars, our sacred masculine planet, enters Virgo, the ...