Did you find the message hidden in Perseverance’s parachute?

The striped pattern on the parachute used by the Perseverance rover to land on Mars contained a hidden message. Internet sleuths were able to figure it out within a few hours.

What’s the coldest Earth has ever been?

Our planet’s history includes episodes of cold so extreme that glaciers reached sea level in equatorial regions.

Cosmic ray originated in cataclysmic event

Astronomers found a high energy neutrino – a cosmic ray – that apparently originated during a “tidal disruption event,” that is, when a supermassive black hole shredded a distant star.

Parker Solar Probe captures a glimpse of Venus

The Parker Solar Probe turned its camera on Venus as the spacecraft flew by during a gravity assist.

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Evidence for white dwarfs consuming Earth-like worlds

For the first time, astronomers have detected the vaporized remains of the crusts of long-dead Earth-like and Mars-like planets in the atmospheres of white dwarf stars.

Water worlds may be abundant in our galaxy

A new study suggests that our Milky Way galaxy is filled with planets like Earth, containing continents and oceans. If so, life might be common in the Milky Way.

Watch ISS spacewalk February 28

On Sunday, February 28, 3 astronauts will perform the first in a pair of International Space Station spacewalks to ready the station for solar array upgrades. How to watch live.

People sleep less before a full moon

Researchers find that whether you live in a rural or urban environment, your sleep patterns are affected by the full moon. On the nights leading up to full moon, people fall asleep later and sleep less overall.

Why does this galaxy look older than its years?

To the extent that we can see them, galaxies in the very early universe should look relatively young and unformed. But galaxy ALESS 073.1 is a surprise to astronomers: it looks more mature than we’d have any reason to expect. Why?

‘Earth wind’ may generate water on the moon

Particles carried from Earth’s poles via our planet’s magnetosphere could be interacting with lunar rocks to create small quantities of water on the moon.

Astrophysicists design ‘radically different’ world map

You know the old problem of how to portray the round globe of Earth on a flat map? Now a trio of map experts has worked together to solve this problem. Their new map is 2-sided and round.

Nearby black hole Cyg X-1 more massive than thought

New research suggests that the famous black hole Cygnus X-1 – first black hole ever detected and one of the closest to Earth – is farther away and much more massive than previously believed.

Best observing targets for binoculars

What are the best solar system and deep-sky objects to view to get the most out of your binoculars? From moon-encircled worlds to starry knots in the Milky Way, our list makes the sky’s wonders easy to find.