Firefighters Protect Mt. Wilson Observatory From Eaton Fire in L.A.

The Eaton fire, raging uncontained to the northeast of Los Angeles, raced up Mount Wilson on…

NASA Will Let Trump Decide How to Bring Mars Rocks to Earth

NASA needs help fetching rocks from Mars, and on Tuesday, agency officials announced that they have…

Pluto May Have Captured Its Biggest Moon Charon After an Ancient Dance and Kiss

Some 4.5 billion years ago, the dwarf planet Pluto was suddenly joined by a companion. For…

Richard M. Goldstein, Who Helped Map the Cosmos, Dies at 97

Richard M. Goldstein, a trailblazer in planetary exploration who used ground-based radars to map planets with…

SpaceX’s Assault on a Fragile Habitat: Four Takeaways From Our Investigation

When Elon Musk first eyed South Texas for a new base of space operations, he promised…

Ariane 6 Launch: Watch the First Flight of Europe’s New Rocket

The European Space Agency has waited about a decade for the first launch of Ariane 6,…

Wildlife Protections Take a Back Seat to Elon Musk’s Ambitions

As Elon Musk’s Starship — the largest rocket ever manufactured — successfully blasted toward the sky…

Antikythera Mechanism’s Purpose Is Studied Using Cosmic Research Tool

The Antikythera mechanism, an ingenious calculator made 2,200 years ago, has inspired awe and enchantment ever…

What Is Aphelion? Earth Reaches Its Greatest Distance From the Sun on Friday

It’s summer in the Northern Hemisphere. But while you indulge in long, balmy days at the…

Debris Found in North Carolina Came From SpaceX Dragon, NASA Says

A hunk of metal found on a remote trail in a luxury camping resort in North…