Space News & Blog Articles

The discoverer of Comet Leonard has shared a few tips to help see the bright object in the night sky this month.

According to conspiracy theorists, the Black Knight satellite is an alien spacecraft orbiting Earth. Here's what's really going on.

The universe is incredibly old, incredibly large and teeming with potentially habitable planets. So why haven't we found any sign of aliens yet?

Several factors make Earth unique given what scientists know about the thousands of planets discovered to date.

Ingenuity has now spent nearly 33 minutes aloft in the Martian air and visited 10 different Red Planet airfields.

Skywatchers will have a chance to see Comet Leonard — the brightest comet of 2021 — near Venus in the evening sky tonight (Dec. 17).

SpaceX will launch its second stack of Starlink satellites from the West Coast early Saturday morning (Dec. 18), and you can watch the action live online. 

Laura Shepard Churchley is not sure if she is an astronaut. The daughter of America's first astronaut to fly into space, Churchley followed in her father's trajectory by lifting off with Blue Origin.

Google is celebrating the 315th birthday of Émilie du Châtelet, who was a physicist, translator, philosopher despite the exclusion of women from physics at the time.

The geocentric model is a debunked theory that the Earth is the center of the universe, with the sun and planets revolving around it.

The existence of primordial black holes in the earliest universe could explain dark matter as well as the sizes of black holes scientists can see today, a new study suggests.

Skywatchers will have a chance to see Comet Leonard — the brightest comet of 2021 — near Venus in the evening sky tonight (Dec. 17).

Here's why December's Cold Moon is the longest full moon of the year.

China broadcast a live classroom from its new space station on Dec. 9, in an effort to both inspire students and present a friendly image of the country's space ambitions.

The icy process may be present on other worlds.

The UN says temperatures were "more befitting the Mediterranean than the Arctic."

A multiverse may be a natural prediction of the physical theories that define the beginning of the universe.

December's full moon on Saturday (Dec. 18), the last of the year, will usher in the winter constellations and notably, three naked-eye planets in the evening.

Several former employees have gone public with allegations of sexual harassment experienced at SpaceX.

A faulty data cable between the James Webb Space Telescope and launch pad equipment caused the big observatory's latest launch delay.

The helicopter finished its 17th flight on Dec. 5, and is getting ready for an 18th as soon as Wednesday (Dec. 15).