This Earth Day, we reflect on our home planet and look at Earth from space through history.

See stunning photos of Earth taken from space by astronauts and robotic spacecraft, celebrating our home planet on Earth Day.

With innovative approaches to life-threatening diseases and natural disasters, UC San Diego researchers are making critical ...

On April 6, 2026, shortly before Earth slid behind the Moon from the perspective of Orion, and the spacecraft lost radio ...

On Earth, people grip objects to ensure they don't fall. In space, this process changes: When astronauts hold an object ...

Celebrating Earth Day with an image of Earth captured by NASA's Artemis 2 mission around the moon.

Examining the fine motor skills of space travelers can help improve safety for future missions, scientists say ...

Imagine a future where thousands of people travel to space every year. Some stay a week. Some a month. Some never come back — they stay, build and live. Space is no longer the exclusive domain of ...

Lyrid meteors were photographed blazing through Earth's atmosphere on the nights surrounding the April 22 peak.

Two new proposed NASA Earth science missions will attempt to address key research topics while leveraging both commercial and ...

Researchers used a pair of powerful supercomputers to simulate the potential trajectories of 1 million satellites in a cislunar orbit between Earth and the moon. Less than 10% of these orbits remained ...

The annual Lyrid meteor shower peaked on the night of April 21–22, 2026, producing up to 20 meteors per hour for Northern Hemisphere skywatchers under dark skies. The spectacle was photographed from ...