In the fall of 2006, observers at the Catalina Sky Survey in Arizona found an object orbiting the Earth. At first, it looked like a spent rocket stage -- it had a spectrum similar to the titanium white paint NASA uses on ...
Space Exploration
Dec 21, 2011
11
1
Virtually every planet in the solar system has moons. Earth has the moon, Mars has Phobos and Deimos, and Jupiter and Saturn have 67 and 62 officially named moons, respectively. Heck, even the recently-demoted dwarf planet ...
Space Exploration
Jan 1, 2016
4
43
Around 12,000 years ago, a diversity of horses and their kin (known as equids) roamed North and South America. These animals were hunted by large, mythical-sounding, now-extinct predators, such as saber-toothed cats and dire ...
Ecology
Jul 28, 2022
1
3803
This great big solar system has plenty of secrets to tell. Just recently, NASA's new James Webb Telescope dazzled us mere Earthlings with the first images released to date of galaxies eons in the past.
Astronomy
Aug 15, 2022
7
96
(Phys.org) —A team of researchers made up of members with diverse, multi-national backgrounds has found a way to construct population density maps using cellphone data. In their paper published in Proceedings of the National ...
Chinese scientists have created the most detailed map of the moon yet. It took them 10 years and involved hundreds of researchers. The new map will be a boon to lunar exploration and for anyone who just wants to study our ...
Astronomy
Jun 15, 2022
0
115
Sometimes referred to as nature's calendar, phenology looks at the seasonal life cycle of plants and animals and is one of the leading indicators of climate change. It's the observance of natural occurrences like the first ...
Earth Sciences
Jun 3, 2019
0
121
Archaeological sites like the Great Wall of China and the pyramids can be seen with the naked eye from space, but for ancient societies that did not build, their traces on the landscape are more difficult to find. Now Penn ...
Archaeology
Oct 19, 2021
0
137
The world's first commercial fully re-programmable satellite lifted off from French Guiana on Friday on board an Ariane 5 rocket, ushering in a new era of more flexible communications.
Space Exploration
Jul 30, 2021
0
1071
The Solar System's second largest planet both in mass and size, Saturn is best known for its rings. These are divided by a wide band, the Cassini Division, whose formation was poorly understood until very recently. Now, researchers ...
Space Exploration
Jun 11, 2019
0
123
