Did alien technology crash in Pacific in 2014? Harvard astronomer says ‘maybe’

Did alien technology crash into the Pacific Ocean in 2014? Despite disagreement from colleagues, Harvard astronomer Avi Loeb says it's possible.

Harvard astronomer: Earthly spacecraft as alien artifacts

Harvard astronomer Avi Loeb shares an analogy of how spacecraft sent from Earth might appear as alien artifacts on a different planet.

Mars helicopter spots rover’s landing gear debris

NASA's Mars Helicopter has sent back some incredible new photos of the backshell and parachute that helped the Perseverance rover land over a year ago.

More Starbase delay. But SpaceX rockets ahead

The FAA has announced another month-long delay its initial environmental assessment of SpaceX’s Starbase in Boca Chica, Texas.

How Pluto got its name

Eleven-year-old Venetia Burney named Pluto for a god of the underworld. The name also honored Percival Lowell, the pioneering astronomer.

Do Europa’s odd ridges indicate life?

Europa's odd ridges may form similarly to those in Greenland. The ridges occur over subsurface pockets of potentially habitable water in the moon's ice shell.

Do Io’s enigmatic dunes form from lava and frost?

Researchers at Rutgers say they can finally explain how Io's enigmatic dunes form, despite the moon's extremely thin atmosphere and weak winds.

Micronovas are new! They’re small, but mighty

Astronomers using orbital and ground telescopes suddenly noticed stars that increase in brightness for only a few hours. They're calling them micronovas.

SpaceX de-orbit burn witnessed over Europe

Skywatchers in Europe thought they saw a fireball - but it was the de-orbit burn of a SpaceX rocket - in the early evening of April 21, 2022.

SpaceX’s Crew-4 launch postponed due to weather

The launch of a SpaceX Falcon 9 rocket carrying Crew-4 astronauts to the International Space Station has been postponed due to weather.