Perseverance, set to land on the Red Planet on Thursday, is carrying the most sophisticated robotic biology lab ever launched and a drone meant to make the first-ever powered flight on another world.
Harvard researchers say a comet from deep space — not an asteroid from the belt past Mars — was responsible for the mass extinction. Others are skeptical.
Environmental watchdogs now can detect deforestation even when it's hidden from sight by rain and clouds. They're using data from radar on a European satellite.
China's space agency, fresh off a successful sample-return mission to the moon, says the ambitious Tianwen-1 rover mission it launched in July had reached the Red Planet.
The UAE probe arrives at Mars on Tuesday, Feb 9. Its purpose is to both study the weather on Mars as well as inspire the next generation of that country's scientists and engineers.
NASA engineer Nagin Cox lives on Earth but works on Mars time, where days are longer and time works differently. Her work with the rovers has entirely changed the way she thinks about time on Earth.
The test was for NASA's Space Launch System, a successor to the retired Space Shuttle program. It takes eight minutes to generate the power needed to get to space, and ultimately to the moon.
The command, a new department of the Air Force, has selected an Army installation in Huntsville as the most-desired location for its future headquarters.
Before scientists were even sure black holes existed, an Indian astrophysicist did the math behind Einstein's predictions of what would happen if two black holes collided.
On Monday evening, Jupiter and Saturn appeared closer to each other in the sky than they have for hundreds of years in what has become known as the Great Conjunction.
The official moniker, announced by Vice President Pence at a White House ceremony, comes one year after the creation of the newest military branch. The name drew raised eyebrows online.
The successful completion of the Chang'e-5 mission makes China only the third country to have returned soil and rock samples from the surface of the moon.