Arizona's Grand Canyon may be stunning, but it's just a "scratch" compared to the massive Vallis Mariners Canyon on Mars.Cutting the valley along the Martian equator for about 2,500 miles, it would reach from New York City to San Francisco…
Category: science
Geyser hides underneath Yellowstone National Park He woke up recently. But don't worry: this doesn't mean that the massive volcano below the park will soon erupt, according to a new study. In March 2018, after a nap of 3.5 years,…
The quadruple meteor shower is at its zenith, and North American skywatchers have a good chance of seeing the tail end of the show tonight. This annual meteorite typically peaks between January 3 and January 4 each year. I submitted…
The smallest known main serial star in the Milky Way is a true messenger of something.It's called EBLM J0555-57Ab, and it's a red dwarf 600 light-years away. With an average radius of about 59,000 km, it's just a simbridge Greater…
Zoom in / The SpaceX spacecraft is expected to have landing legs. The first-stage launch vehicle, the Super Heavy, might not.SpaceX To build a completely reusable launch system for its interplanetary spacecraft, SpaceX had to solve a myriad of technical…
Photo: Robin Beck / Agence France-Presse (Getty Images)On January 3, 2004, the Mars Reconnaissance Orbiter Soul He started making history. It landed on the Red Planet for the first time, and one of NASA's longest and most successful missions began…
CINCINNATI - In 2020, backyard star-watchers are treated to a surprise guest at Comet NEOWISE and the full moon on Halloween night.Astronomers in Patagonia marveled at a total solar eclipse, and the planets Jupiter and Saturn had come together once…
A Harvard professor named Avi Loeb, head of the astronomy department at Harvard University, believes that the first hint we will get about an alien intelligence will not be a spacecraft. Rather, he thinks that the first sign we'll get…
While 2020 may have been derailed and some science delayed due to the pandemic, 2021 still promises to be the year of science "which we rarely see," according to Thomas Zurbuchen, co-director of NASA's Science Mission Directorate. Multiple missions will…
A study by the University of Cambridge indicates that the discovery of a medieval Chinese coin dating back to the early eleventh century is a real find. The 25mm copper alloy coin was discovered in Boreton, near Petersfield, and archaeologists…