Stories by Clara Moskowitz

A new deep-field photo of a “blank spot” in space unveils thousands of previously unseen primordial galaxies

The sun's gravitational pull on dark matter particles may cause seasonal patterns not previously expected

As observations fail to pin down the so-far undetectable stuff, explanations once considered fringe are now getting another look

The U.N. is taking first steps to curb the risk of wayward asteroids

The search for dark matter is starting to go cold

Astronomers may have discovered a moon orbiting an alien planet, but the signal is far from definitive

Physicists prefer Roman-era lead ingots to recently mined metal for shielding particle experiments, but archaeologists want them preserved

China cemented its reputation as the fastest rising star on the space scene this weekend by landing a rover on the moona challenging feat pulled off by only two nations before: the U.S.

Why the celestial object did not survive its close brush by the sun

The new theory connects quantum entanglement with Einstein’s general relativity

An ancient lake and evidence for flowing water today aid hopes that microbes evolved on the Red Planet

If different wavelengths of light experience spacetime differently, the big bang may never have happened

Scientists have identified a novel chemical pathway to explain why bright red vermillion paint becomes black over time

NASA is investigating new roles for the former planet-hunting observatory

X-ray and radio observations offer the best evidence yet that, as long suspected, high-energy particles stream from the heart of our galaxy

A study suggests atoms can bond not only with electrons in their outer shells, but also via those in their supposedly sacrosanct inner shells

The previously unknown microbe was tough enough to survive stringent sterilization at two locations. Might it survive a trip to Mars?

Where did the Red Planet’s carbon dioxide blanket and liquid surface water go? NASA’s Maven mission will launch next week to investigate

The most precise measurement yet of the electron’s shape casts doubt on ideas such as supersymmetry that predict a zoo of undetected particles in the universe

Researchers have measured the extent of the historic meteor’s damage and calculated the asteroid’s precise trajectory

NASA’s premier planet-hunting scope turns up 647 possible Earth-sized worlds in the Milky Way

This month Comet ISON will fly by the sun in an encounter that could destroy the object, or elevate it to greatness

An underground detector in a South Dakota mine has failed to find dark matter particles, casting doubt on earlier claims

Earth is not prepared for the threat of hazardous rocks from space, say astronauts who helped formulate the U.N. measures