ISS leak: Astronauts briefly shelter as leak worsens

The International Space Station has a leak. On Friday, NASA told the astronauts to shelter and prepare for an evacuation. Read about the ISS leak here.

Our galactic neighbor is slowly coming apart

Astronomers have found the stars of our galactic neighbor, the Small Magellanic Cloud, are heading outward. This dwarf galaxy is not rotating, but coming apart.

Rare meteorite hints at giant early planet

A rare meteorite contains evidence of a lost early protoplanet, offering a glimpse into the chaotic collisions that shaped our solar system.

Magnetic exoplanets? Strange winds are strongest hint yet

Astronomers have found the strongest hint yet of magnetic exoplanets, thanks to new measurements of strange winds on distant worlds.

The black hole or galaxy: Which came 1st?

QSO1 is an ancient Little Red Dot galaxy from the early universe. It contains a supermassive black hole. Which came first, the black hole or galaxy?

Could aliens visit Earth? Here are some challenges

Scientists say it’s unlikely aliens visit Earth anytime soon, because interstellar travel faces huge barriers of distance, energy and time.

The 1919 solar eclipse that proved Einstein right

During a May 29, 1919, solar eclipse, astronomers saw the sun bend starlight, proving Einstein's general relativity and catapulting him to rock star fame.

Do Europa’s water vapor plumes not exist after all?

New observations from the Hubble Space Telescope suggest that Europa's water vapor plumes are less likely than previously thought. But they don't rule them out.

Moon base update! NASA unveils next steps

NASA has unveiled exciting new plans for its moon base, including timelines and details of hopping drones, landers and vehicles.

Hot Jupiter exoplanet has cloudy mornings and clear evenings

New observations with the Webb space telescope of the hot Jupiter exoplanet WASP-94A b show that sandy clouds fill the morning skies, but dissipate by evening.