Scientists say the threat of a newly discovered asteroid has risen slightly in the past few weeks as the world's telescopes ...

Six planets are part of the alignment, which will last until Feb. 18. Mercury will join the alignment later in the month.

The moon makes for an excellent guide to see Mars in the night sky tonight. As the sun sets this evening (Feb. 9), the moon ...

Jupiter and Mars will take turns aligning with the moon, creating a breathtaking celestial spectacle that will light up the ...