What Happens When Planets Collide

This artist’s concept illustrates a catastrophic collision between two rocky exoplanets, turning both into dusty debris. …

A waxing crescent Moon

A waxing crescent Moon is pictured as the International Space Station orbited 260 miles above the…

TESS Finds First Earth-Size Planet in the Habitable Zone

TOI 700 d is the first Earth-size habitable-zone planet discovered by TESS, NASA’s Transiting Exoplanet Survey…

The Next Step in Testing Rockets to Take Humanity to the Moon

On Jan.1, 2020, ​​NASA Administrator Jim Bridenstine tweeted: “Making progress! The massive @NASA_SLS core stage is…

Hubble Sights Galaxy’s Celestial Sequins

This smattering of celestial sequins is a spiral galaxy named NGC 4455, located in the northern…

Glittering Lights of Earth As Seen From the Space Station

Stars glitter in the night sky above the Earth’s atmospheric glow. Click here for…

Galactic Pyrotechnics From 23 Million Light Years Away

NGC 4258, a galaxy about 23 million light years away, is the site of impressive, ongoing…

Exploring the Night Sky with Hubble’s Caldwell Catalog

This loose collections of stars, known as an open star cluster, is image 100 of the…

Astronaut Christina Koch Poised to Make History Again

NASA astronaut Christina Koch makes observations from the International space Station’s cupola. Click here…

Morocco's Anti-Atlas Mountains

The Anti-Atlas Mountains of Morocco formed as a result of the collision of the African and…