Space Frontiers

Rubin Observatory opens a deep window on a famous cosmic field

The world's largest digital camera just captured 500,000+ galaxies in a single image.

How to keep the Earth habitable when the sun dies

Scientists propose building a 2 million km space tether to shield Earth from the dying sun.

The Reverse Spiral: Why Ocean Models Have Been Getting the Bottom Wrong

Scientists correct a 100-year-old error in ocean current models.

Astrobiologist uses Apollo lunar samples as mirror onto early Earth

Scientists are using 50-year-old Moon rocks to solve Earth's oldest climate puzzle.

Geological evidence questions the role of Agulhas Leakage in Atlantic Ocean circulation

AMOC stays strong even when Indian Ocean water flow weakens, contrary to decades of scientific

Study lays groundwork for classifying lunar soil

Scientists just made it easier to build on the moon by creating a soil classification system.

Moonquakes could reveal hidden water beneath the lunar surface

Seismic waves travel 2-3x faster through ice than dry soil on the moon

A 21-hour dip could help explain Tabby's star's decade-long dimming mystery

A 21-hour dip in Tabby Star's light reveals a hidden companion, solving a decade-old space mystery.

What happens to a moon when its planet is stolen?

In 90% of planetary ejections, the moon-planet distance barely changes.

August's total solar eclipse will sweep over Spain, Iceland and Greenland

A total solar eclipse will cross Spain for the first time in over a century this August.

Dark matter’s secret force does the opposite of what scientists expected

Dark matter's hidden force makes it cluster more yet slows cosmic growth

DESI side project reveals the spectra of disintegrated exoplanets

Scientists spotted white dwarf stars literally eating broken planets—and the space debris looks

Mysterious Milky Way object accelerates protons beyond one quadrillion electron volts

Scientists found a cosmic accelerator that pushes protons beyond one quadrillion electron volts.

NASA’s Curiosity rover finds a mysterious honeycomb landscape on Mars

Curiosity rover spotted a sea of tiny polygon fractures stretching across a Martian valley.

Moonquakes could reveal ice buried beneath lunar south polar craters

Vibrations from moonquakes can reveal where ice hides underground.

Laying odds on the potential for Martian water near future landing zones

Scientists map Martian water ice to help future astronauts land safely and make rocket fuel from

Homing in on the X-ray sky with eROSITA's second data release

Nearly 2 million X-ray sources now publicly available - double the previous count.

Japan probe made closest-ever asteroid flyby: space agency

Japan's probe skimmed just 400m from an asteroid — a world record

Surprising boiling behavior in liquids could advance future space missions

Boiling works better than expected in space — but with a catch.

Astronomers finally measure the full size of the largest known galaxy

Scientists just confirmed the biggest galaxy ever measured—it's 17 times wider than our Milky Way.