Another satellite breakup raises concerns about space junk

An inactive Soviet weather satellite has broken apart above Earth. The satellite breakup has added tens of debris fragments to an already crowded low-Earth orbit.

Did formaldehyde on ancient Mars help kickstart life?

Formaldehyde in the ancient rains on Mars might have provided crucial chemical reactions needed for life to begin on the red planet billions of years ago.

Black holes could have planets, new simulations suggest

New simulations by 2 astrophysicists suggest that supermassive black holes could have planets orbiting them, much like planets orbit stars.

Hera mission hits the brakes to arrive at asteroid

The Hera mission will hit the brakes Thursday as it slows down to reach Dimorphos. This asteroid is the site of a human-made impact in 2022.

Solar system’s most bizarre moons! Take the tour

The solar system’s most bizarre moons reveal active, complex worlds that continue to surprise scientists. Are any of them harboring life?

World Space Week is October 4 to 10. Find events here

World Space Week dates back to 1999 and runs every year from October 4 to 10. This year, the theme is The Rocket Revolution. Find events near you here.

How a helium leak in an exoplanet atmosphere hints at life

A tentative helium detection may offer the 1st glimpse of this exoplanet atmosphere, but we'll need more evidence to know if LHS 1140b could host life.

Is this an alien radio signal from a super-Earth exoplanet?

Did China's FAST radio telescope detect an alien radio signal coming from the super-Earth exoplanet K2-155 d? Probably not.

Could an Earthlike planet with 2 stars be nearby?

A new astronomical model has found that an Earthlike planet could have a stable and potentially habitable orbit around a star in a nearby 2-star system.

Life on Enceladus? 2 new studies boost chances

Is there life on Enceladus? Two new studies show that the chances for life in the ocean of this Saturn moon are even greater than once thought.