A lunar quarantine facility to protect from alien microbes?

Scientists are proposing a lunar quarantine facility on the moon to protect Earth from possible alien microbes. Do we need one?

Will Earth survive the red giant sun? New research suggests yes

Will Earth survive the sun's death, when our star becomes a red giant 5 billion years from now? A new study suggests it might, and maybe Mars too.

Why do stars twinkle, but planets don’t?

Seen from space, both stars and planets shine steadily, but seen from Earth, stars twinkle while planets (usually) do not. Here’s why.

Asteroid Day to be observed worldwide on June 30

The annual Asteroid Day program is in Luxembourg on June 26 and 27, 2026. That's ahead of the internationally recognized Asteroid Day June 30.

Voyager 1 to reach 1 light-day from Earth on November 18

NASA said on June 17, 2026, that Voyager 1 will reach 1 light-day from Earth soon. It estimates the spacecraft will reach that mark on November 18, 2026.

Peanut-shaped asteroid wobbles in 2 directions

New analysis shows that a peanut-shaped asteroid wobbles in space in 2 directions. Lucy spacecraft now continues its journey toward Jupiter’s Trojans.

Comet 3I/ATLAS over 10 billion years old, Webb finds

The Webb space telescope has found chemical clues to the origin of interstellar comet 3I/ATLAS. It appears to be several times older than our solar system.

Meet the exotic Pink Planet with salty clouds

New observations by the Webb space telescope of the giant exoplanet GJ504b - aka the Pink Planet - show that it has clouds made of salt.

Asteroid or comet? Meteor or meteorite? Answers here

A bright light zips through the night sky. But what is it? Asteroid or comet? Find the answers here and share your knowledge with your friends and family.

Artemis missions target South Pole–Aitken basin on the moon

Two new studies examine the South Pole–Aitken basin on the moon. This region is a future landing site for Artemis astronauts.