Amazing views of Jupiter over the years via the Hubble Space Telescope. The moons of Io, Ganymede and hazy Uranus can be ...

September offers various celestial events, including Saturn and Neptune's oppositions, Mars's approach to solar conjunction, and favorable viewing of Uranus and Jupiter. Multiple transits of Saturn's ...

Sky This Week is brought to you in part by Celestron. Friday, September 12Mars passes 2° north of 1st-magnitude Spica in Virgo at 4 A.M. EDT, though neither has risen at this time (they rise in ...

The Europa Clipper cost is estimated to be around $5 billion. This mission aims to investigate Europa’s potential for ...

CALIFORNIA — The four-person civilian Fram2 mission returned home in a splash down off the coast of California on Friday after being the first humans to orbit Earth's polar regions. Riding in SpaceX’s ...