Scientists have long thought that the highest-energy gamma rays in space are forged in the intense furnaces of very active ...

In a new study, scientists have found that a huge black hole - with a mass of about six Suns - is feasting upon a giant star and releasing intense radiation in deep space. The star is as big as three ...

V4641 Sagittarii is a system about 20,000 light-years from Earth, in the direction of the constellation Sagittarius ... building up a kind of cosmic map. It was in one of these maps that V4641 ...

Astronomers have made a shocking discovery that’s rewriting the way we think about cosmic powerhouses. While scientists ...

Choose from Constellation Scorpius stock illustrations from iStock. Find high-quality royalty-free vector images that you won't find anywhere else. Video Back Videos home Signature collection ...

Mercury is well placed in the SW evening skies the first two weeks of November, but is lost in its glare by Thanksgiving.

Sagittarius, the adventurous spirit of the zodiac, might lean towards designs that represent travel or freedom, such as an ...

Air sign Aquarius is perhaps the best intellectual match for Sagittarius. There's no one else in the zodiac who can rival Sag ...

However, these two signs have a few key differences. Sagittarius is more philosophical than Aries, always pondering the big ...

Everything you need to know about Aries and Sagittarius compatibility, including how this pair fares as friends, lovers, romantic partners, and spouses.