Did Earth And Mars Have Different Origins?

At least 75 % of Earth’s mass appears to originate from two protoplanets, that grew large by accreting pebbles, while planetesimals contributed up to 25 %. In contrast, roughly three-quarters of Mars’ mass appears to come from planetesimals.

Curiosity Greets a Spectacular Dawn Sky on Mars

NASA’s Curiosity rover drove sent a captivating panorama from the slopes of Mount Sharp. The image was not white-balance adjusted during processing, to show just what a viewer might really see at sunrise standing on Mars.

A Magnetar Can Be Born When Two Neutron Stars Touch

About 1% of neutron stars have even stronger magnetic fields. Known as magnetars, their magnetic fields can be 1,000 times stronger than a regular magnetic field. A new study looks at how magnetars might form.

The Sun May Have Swallowed a Planet

New research suggests that some unusual characteristics of the Sun may be explained if it swallowed a large planet sometime during the Solar System’s formation.

Mercury is Shrinking, But Faster Than Previously Thought

According to a new study, Mercury's surface has been shrinking 10% to 30% (up to 23 km) faster than previously thought. 

Japanese supercomputer explains Webb's Little Red Dots

The simulations show that the Little Red Dots are black holes growing at a rate that would be impossible today thanks to the conditions in the early Universe. 

Astronomers just found the youngest known planet ever

Astronomers have confirmed a Jupiter-size planet less than a million years old, making Elias 2-24 b the youngest known planet.

Interstellar Comet 3I/ATLAS Formed in Cold, Nitrogen-Rich Environment

Astronomers have found new evidence that 3I/ATLAS, only the third confirmed interstellar object ever detected entering the Solar System from beyond, formed in an extremely cold environment far from any star.

84 Mysterious, Extremely Bright Objects Found Hiding in Nearby Galaxies

The researchers named them hypersoft X-ray sources. The team found between 7 and 21 sources in each of six galaxies, including Andromeda and M101.

NASA Found Strange Holes on Mars

Holes and pitted ground on Mars are nothing new. But the new holes Curiosity has found - tiny, shallow divots in the ground – are unlike anything seen before on Mars.

Not Money or Pleasure: Scientists Say They've Found The True Key to Happiness

A new research suggests that there's a single important ingredient to happiness: freedom. Or, more specifically, whether we feel like we are actually in charge of our own lives. 

NASA’s Hubble Tracks New Decagon Encircling Saturn’s South Pole

Recent observations with NASA’s Hubble Space Telescope have revealed a giant, evolving, 10-sided atmospheric wave encircling Saturn's south pole. 

Physicists Detected a Possible Dark Matter Signal

Researchers running the LUX-ZEPLIN (LZ) dark matter experiment have recorded a single particle interaction that can’t be explained by any known background signals from normal matter. 

Roman Telescope Begins Million-Mile Journey to Study Dark Energy

Roman will be a discovery machine that will bring us closer than ever before to answering humanity’s most profound questions about our cosmic history.

Hubble Solves Merger Mystery From Milky Way’s Early Years

A new data from NASA’s Hubble Space Telescope shows definitive evidence of yet another dwarf galaxy merging with the young Milky Way galaxy in the earliest phases of its evolution.