Stories by SPACE.com

The launch also marked the company’s first attempt to recover and reuse the fairing of its Falcon 9 rocket

The mysterious object could be the first moon found beyond our solar system—or something else entirely

Nearly 100 worlds are the latest catch from the hardy space telescope

Despite decades of Red Planet exploration, the protocols for confirming evidence of life there are still quite hazy

New observations of a supermassive black hole in a faraway galaxy hint that planets are plentiful throughout the universe

Crewed flights of the Dragon spacecraft and preparations for the Big Falcon Rocket are on the agenda

Whether a success or a failure, the first test flight of the world's current most powerful rocket guarantees fireworks

If successful, the rocket’s first test flight will include three boosters flying back to Earth

After more than a decade of activity, the Google Lunar XPRIZE is concluding—but the race to the moon continues

The space agency’s Kilopower project could end a half-century hiatus for U.S. reactors in space

Scientists are plotting new directions in the quest for cosmic company

Rumors swirl around whether or not a mysterious spacecraft successfully entered and began operations in low Earth orbit

Crystalline growth, rather than biotic processes, are the likely explanation for strange Martian minerals glimpsed by NASA’s Curiosity rover

Even so, the strange saga of Tabby’s Star is far from over

The probe’s 2019 encounter with the icy object 2014 MU69 could reveal multiple lunar companions

New study shows that meteorites rather than terrestrial ore were the sources of Bronze-Age iron

Ancient, buried hydrothermal systems are ideal sites to search for Martian fossils

The Neptune-mass planet GJ 436b has a comet-like tail and a bizarre orbit that takes it over the poles of its star

The bizarre object is emitting no obvious radio signals, but observations and analyses have just begun

New high-performance instrument could reveal hidden habitable worlds around nearby stars

The object grew to more than 800 million times the mass of the sun when the cosmos was only 5 percent its present age

Bizarre atmospheric circulation patterns could obscure signs of life on some nearby exoplanets

A new study charts potential courses for missions to ‘Oumuamua, an oddly-shaped space rock from another star

With economic activity poised to surge in space, scientists are reexamining how rockets might harm Earth’s atmosphere