A shocking new study suggests that the second interstellar object ever discovered, Comet 2I/Borisov, could be carrying water on it from beyond the Solar System.
Since his discovery in the Northern Italian Alps nearly 20 years ago, researchers have learned a great deal about Ötzi the Iceman, including what he sounded like, his diet and his health. Now, a new study is giving new insight into his final journey.
NASA's Spitzer Space Telescope has found a massive nebula in deep space that "looks like a celestial jack-o'-lantern." The study's researchers have given it the nickname "Jack-o'-lantern Nebula," apropos for Halloween.
WASHINGTON — Scientists studying Mars have wanted pieces of the Red Planet here on Earth for decades, and they are finally getting their shot at designing a mission to acquire such souvenirs.
WASHINGTON (AP) — The number of people threatened by climate change-triggered flooding is about three times higher than previously thought, a new study says. But it's not because of more water.
The U.S. Army is joining forces with the Smithsonian to train the next generation of "Monuments Men," the celebrated experts who saved artworks and historical treasures during World War II.
Upside-down "rivers" of warm ocean water may be one of the causes of Antarctica's ice shelves breaking up, leading to a rise in sea levels. A new study suggests that, in the past, increases in Antarctic sea ice in colder climates may have contributed to ice ages.
As the debate rages on whether Pluto, currently a dwarf planet, should be given back its planet status, it may soon be joined by an asteroid that could wind up being the smallest dwarf planet in the solar system.