NASA

Artemis II astronauts brace for fiery return to Earth

The Artemis II crew, flying in their Orion capsule since launching from Florida last week, are due to splash down off the Southern California coast on Friday.

The NASA Artemis II crew, Mission Specialist Christina Koch, Mission Specialist Jeremy Hansen, Commander Reid Wiseman, and Pilot Victor Glover, embrace inside the Orion spacecraft on their way home following a flyby of the far side of the Moon on April 7, 2026.
NASA ASTRONAUT and Artemis II mission specialist Christina Koch peers out of one of the Orion spacecraft's main cabin windows, looking back at Earth, as the crew travels towards the Moon April 2, 2026.

WATCH: Artemis makes lunar flyby as moon mission breaks record for human distance from earth

NASA's Artemis II mission to fly by the moon, comprising of the Space Launch System (SLS) rocket with the Orion crew capsule, lifts off from the Kennedy Space Center in Cape Canaveral, Florida, US, April 1, 2026

NASA’s Artemis II mission takes off with four astronauts for historic lunar journey

General view of the moon on March 30, 2026

Countdown to a lunar comeback: NASA readies astronauts for Moon journey


Parker Solar Probe to break speed record in historic Christmas Eve solar flyby

During this close approach, the Parker Solar Probe will cut through plumes of solar plasma, collecting vital data to help scientists better understand the Sun's behavior and its effects on Earth.

 CME Erupts on the Sun.

Ho ho ho: Asteroid the size of nine reindeer to pass by Earth on Christmas - NASA

An asteroid the size of around nine reindeer - coincidentally, how many reindeer Santa Claus supposedly uses - is set to pass by the Earth on Christmas.

 An illustrative image of an asteroid passing Earth.

Study suggests rogue interstellar visitor may have shaped our solar system

The research team's simulations indicate a 1 in 100 chance that an interstellar visitor could produce the orbits we see today.

 Oumuamua. An illustration.

Trump picks Jewish space adventurer Jared Isaacman to head NASA

Isaacman, a high school dropout and billionaire, is Jewish but has not made that piece of his identity a major part of his public persona.

Commander Jared Isaacman of Polaris Dawn, a private human spaceflight mission, speaks at a press conference at the Kennedy Space Center in Cape Canaveral, Florida, U.S. August 19, 2024. Launch aboard a SpaceX Falcon 9 rocket is scheduled for August 26

Asteroid the size of 2.5 chinchillas impacts over Russia, no damages reported - NASA, ESA

The asteroid is the 11th to have been detected by scientists before impacting Earth. However, due to its small size, it did not cause any damage.

 An asteroid is seen heading towards the planet in this artistic rendition.

Scientists create largest-ever simulation of the universe

Previously, simulating the universe at this scale was not possible due to the immense timescales involved and limitations in computational power.

 What do you see in this image? Bright Star Nebula.

Dragonfly will use a nuclear-powered rotorcraft to explore Titan's potential to host life

NASA has announced that it has selected SpaceX to provide launch services for the Dragonfly mission.

 Dragon 2 hover test.

NASA's startling discovery: an abandoned city buried deep beneath the ice

The discovery occurred while the NASA team was testing the Uninhabited Aerial Vehicle Synthetic Aperture Radar (UAVSAR) system aboard a Gulfstream III aircraft.

 Climb at Katla Ice Cave.

How the 'Black Beauty' of Sahara helped scientists determine hot water existed on the Red Planet

The presence of hot liquid water during early magmatic activity on Mars supports the idea that suitable conditions for the emergence of life existed on the Red Planet.

 Mars landscape.

DESI confirms Einstein's relativity on cosmic scales with unprecedented precision.

“We also needed to test that our assumption works on much larger scales," said cosmologist Pauline Zarrouk.

 Sparring antennae galaxies.