Early Universe's Milky Way 'Twin' Looked Surprisingly Like Our Galaxy

A team of astronomers has identified a giant spiral galaxy so well-formed that it already has a stable galactic bar; a long, straight structure filled with stars across the galaxy's center. It was formed just 2.6 billion years after the Big Bang.

Tantalizing dark streaks on Mars are bone-dry

Anew study said the streaks aren’t caused by water. Instead, the study suggests, the streaks are due to wind and dust.

Unidentified Bacterial Strain Discovered Inside China's Space Station

The microbes could potentially pose a threat to the health of astronauts on board Tiangong.

Are the TRAPPIST-1 planets water-rich? New study says maybe

Researchers  said on May 20, 2025, that there could be abundant water on the seven worlds.

New theory for dark matter formation

Researchers propose a new theory for the origin of dark matter. It could have formed in the early universe from the collision of massless particles that lost their energy and condensed.

Mysteriously Perfect Sphere Spotted in Space by Astronomers

In data collected by a powerful radio telescope, astronomers have found what appears to be a perfectly spherical bubble. A large international team has named the object Teleios, after the ancient Greek for "perfection".

The Most Extreme Solar Storm Hit Earth In 12350 BC

New research uncovers the strongest solar event ever detected - rewriting our understanding of space weather and radiocarbon dating.

Scientists reveal dark energy could be changing over time

The mysterious force called Dark Energy, which drives the expansion of the Universe, might be changing in a way that challenges our current understanding of time and space.

Perseverance rover spots first auroras from the surface of Mars

A green glow snapped from Mars marks the first time that an aurora has been observed from the surface of another planet. 

Venus is more like Earth than we thought.

Data from NASA's Magellan mission suggests Venus could be more geologically active than previously thought. The data shows compelling evidence for ongoing tectonic activity shaping Venus's surface features.

Sun Unleashes Most Powerful Flare We've Seen in 2025

On 14 May 2025, the Sun erupted with the biggest flare we've seen all year. 

Nearby star's music sparks a surprising discovery

On May 6, 2025, an international team of astronomers using the W. M. Keck Observatory in Hawaii said it has listened to the “music” of a nearby star. 

Webb Observes Dynamic Infrared Aurorae on Jupiter

Now, the unique capabilities of the NASA/ESA/CSA James Webb Space Telescope are providing new insights into the Jovian aurorae.

New Signals Hint at a Lost Ocean of Water Concealed Within Mars

Evidence is mounting that a secret lies beneath the dusty red plains of Mars, one that could redefine our view of the Red Planet: a vast reservoir of liquid water, locked deep in the crust.

Soviet spacecraft Kosmos 482 plunges to Earth after 53 years stuck in orbit

The half-tonne Soviet vehicle malfunctioned after its launch in 1972 and never made it out of Earth's orbit for the next 53 years.