SPACE

The space agency wants to understand how a long-term stay in space affects the human body before it decides to send a crewed mission to Mars.

The space agency is reportedly working on creating a spacecraft by 2069 that will travel at a tenth of the speed of light, which would take about 40 years to reach Proxima Centauri.

Sergey Ryazanskiy, who returned to Earth from the International Space Station, explained what space really smells like.

Much like Earth, Jupiter also has an equatorial jet stream that reverses course at fixed periods. A NASA-led team has found the likely cause behind the reversal phenomenon.

The only observation ever of two neutron stars merging was made Aug. 17, using both the detection of gravitational waves as well as that of the intense burst of accompanying light.

Microorganisms that relied on methane and sulfur evolved very early in Earth’s history, when the planet was extremely different from how it appears to us today.

GJ436b is an exoplanet categorized as a warm Neptune. It has a comet-like tail and evaporates like one too, and has a highly elliptical orbit that goes over the poles of its parent star.

A few hours after three astronauts took off from the Baikonur Cosmodrome in Kazakhstan early Sunday, SpaceX’s cargo-carrying Dragon spacecraft attached itself to the International Space Station.

Orion mission undergoes latest drop-test to analyze the highly-complex parachute system that could help bring humans back to Earth after deep space exploration.

The 3200 Phaethon will pass by Earth Saturday.

NASA announced they will uplink the latest installment of "Star Wars: The Last Jedi" to the International Space Station for astronauts aboard. The file will be sent from mission control at NASA’s Johnson Space Center in Houston.

Multiple videos captured a large fireball blazing through the sky above Denver Thursday night.

Geologists found evidence of an ancient meteorite crash: alien minerals that would have been brought down to Earth with the space rock 60 million years ago.

Space entrepreneur Elon Musk is frustrated that humans have not already established permanent residency on the moon.

A startup from Japan raised $90.2 million in a bid to reach the Moon and put up the first billboard there.

According to the video, the bright spots revealed evidence of Ceres' past subsurface ocean and also indicated the dwarf planet is surprisingly active.

NASA's New Horizon space probe will encounter the mysterious MU69 in the Kuiper belt on New Year's Day 2019. New data analysis shows that the object could be a binary system with an orbiting moon.

The Hubble Space Telescope captured this incredible image of the massive and dense star cluster Messier 79.

Earth saves us from incoming meteors by blowing them up from the inside out.

The discovery was made using Google's machine learning algorithms, which exhibited a new way of analyzing data from the Kepler spacecraft.

NASA astronaut Ron Garan reflects on his time on the International Space Station and what the next 50 years hold for Earth.