If all goes according to plan, New Shepard — a reusable rocket-capsule combo — will lift off on Tuesday from Blue Origin's ...

NASA’s Juno spacecraft has uncovered an immense volcanic hot spot on Jupiter’s moon Io, surpassing any previously recorded ...

In a celestial event known as a great alignment the five planets will be discernible with the naked eye, but to see Neptune ...

The moon may still be geologically active, judging from the way the lunar far side is wrinkling as the moon contracts. At ...

February’s night sky gives us the bright trio of Mars, Jupiter and Venus, according to NASA skywatch experts. “Venus blazes ...

Californians watching the sky in February have the chance to view a parade of planets and a snow moon. The planetary alignment that began in January will continue into February, according to ...

Jupiter has been retrograde in the sign of the twins since October. Retrogrades turn our energy inward, while a planet’s ...

The closest of the asteroids to us—estimated to be about the size of a car—is whizzing through space at 27,358 miles per hour ...

The acid yellow moon Io that orbits Jupiter may be less than 30% the size of Earth, but is considered the most volcanic body ...

I pick out North America’s celestial highlights for the week ahead (which also applies to northern hemisphere mid-northern ...