Mars, our neighboring red planet, possesses some of the most dazzling and extreme geological features within our solar system ...

Winter won’t end until late March in the U.S., but travelers craving warmer days can head to the Southern Hemisphere in the meantime.

Take advantage of a special 6-7 planet alignment from Earth's perspective. Planets 'line up' in the skies over California in February.

Though it was far from Juno's closest approach to Io, its flyby last December still led to a fascinating discovery: a massive volcanic hot spot on the moon's southern hemisphere ... flying over the ...

But despite their size and ecological role - and their frequent bycatch in Northern Hemisphere fisheries ... The expedition itself was part of a broader effort to explore how biodiversity ...

The unusual features resemble the famed buttes and mesas of Monument Valley along the Arizona-Utah ... of the northern hemisphere and the soaring highlands of the southern hemisphere.

The team, led by graduate student Skylar Gerace, analyzed 50 years of nutrient data from the ocean collected as part of the Global Ocean Ship ... role in the health of marine food webs – in southern ...

Projectiles flying faster than bullets from a blast 130 times bigger than the global nuclear stockpile helped form giant lunar canyons, according to a new study.

PHOENIX (AZFamily) — A wide-ranging series of executive orders that President Donald Trump has promised to beef up security at the southern border ... a rally Sunday. In Arizona, pro-immigrant ...

The project — spearheaded by AES Andes, part of a multinational energy ... This array aims to be the first Southern Hemisphere instrument to spot ultra-energetic astrophysical phenomena.