1st US satellite – Explorer 1 – launched 64 years ago this week

On January 31, 1958, the United States launched its 1st satellite, Explorer 1. The satellite led to the discovery of the Van Allen radiation belts.

When Solar Orbiter passed through Comet Leonard’s tail

ESA's Solar Orbiter passed through the tail of Comet Leonard on its way to the sun, sampling particles and taking images in visible and ultraviolet light.

SpaceX Falcon 9 rocket will crash into moon on March 4

Rocket debris of a SpaceX Falcon 9 upper stage will crash into the far side of the moon on March 4, 2022. Click here for links to a live feed.

Milky Way core revealed in new radio mosaic

A new radio mosaic of the Milky Way core - from the MeerKAT telescope in South Africa - has mind-blowing details never seen before.

A plan to chase down the 1st-known interstellar visitor

In 2017, 'Oumuamua became the 1st-known interstellar visitor. Since then, we've seen one other. Can astronomers now chase it down?

New video: The 1843 Great Eruption of Eta Carinae

In 1843, the star Eta Carinae briefly became the one of the brightest stars in the sky. Then it faded. Astronomers call it the star's Great Eruption.

New exomoon candidate discovered: Is it real?

Astronomers announced a new exomoon candidate orbiting an exoplanet about 5,400 light-years from Earth. It is the latest possible exomoon found so far.

Asteroid 2022 AE1 poses no danger to Earth

Newly discovered Asteroid 2022 AE1 was temporarily at level 1 on the Torino scale. Now it's off the list entirely. Why? Why didn't astronomers know?.

Webb has successfully arrived at L2!

Webb arrived safely at L2 on Monday, January 24, 2022. It is ready for its testing phase before scientific operations begin this summer.

Rugby ball-shaped exoplanet surprises astronomers

New observations from an international team of astronomers have revealed a giant rugby ball-shaped exoplanet. It is the first such deformed exoplanet seen.