The solar wind pushes some of the gas and dust away from the comet, forming those beautiful tails we see. A comet actually has two tails: a dust tail and an ion tail. The dust tail is curved and the ...

Several planets stand still in the sky, Titan’s shadow transits Saturn, and Venus gives Taurus a second eye in the sky this ...

The Fram2 crew will be the first humans ever to orbit Earth’s polar regions from space.

SpaceX successfully launched a Falcon 9 rocket Monday night, carrying 26 Starlink satellites to low-Earth orbit from Vandenberg Space Force Base in California.

This chart shows the appearance of Saturn at 4:30 A.M. EDT on July 2, as Titan’s shadow has begun crossing from east to west. Note that while Mimas and its shadow are also transiting, they will ...

Summer nights offer lots of interesting sights this month. Mercury and Mars are on show in the evening twilight. Both Uranus ...