Space

Planetary Science

Water plays big role in shaping dwarf planet Ceres

Findings from the Dawn spacecraft turn up cryovolcanoes, ice patches and hydrated minerals on Ceres, supporting the idea that water helped shape the dwarf planet.

Planetary Science

Water has played a big role in shaping dwarf planet Ceres

Findings from the Dawn spacecraft turn up cryovolcanoes, ice patches and hydrated minerals on Ceres, supporting the idea that water helped shape the dwarf planet.

Astronomy

Radio signal probably not from extraterrestrials

A possible radio signal from extraterrestrials probably originated a lot closer to home.

Planetary Science

Spacecraft reveal diversity in solar system’s landscapes

The latest generation of interplanetary spacecraft have revealed diverse landscapes on planets, asteroids and comets throughout the solar system.

Planetary Science

Venus once possibly habitable, study suggests

Venus might have once been habitable and home to a shallow ocean.

Planetary Science

Visits to Proxima Centauri’s planet are probably millennia away

A trip to Proxima Centauri’s planet would take millennia, even with alpha particle propulsion.

Astronomy

Signs of planet detected around sun’s nearest neighbor star

A planet roughly the size of Earth orbits within the habitable zone of Proxima Centauri, the closest star to the sun.

Astronomy

Astronomers prepare for 2017 solar eclipse spectacle

With one year to go, researchers are making plans for studying both the sun and Earth during the August 2017 total solar eclipse.

Astronomy

Tabby’s star drama continues

Tabby’s star, already known for its bizarre flicking and fading, dimmed throughout the four years of Kepler’s primary mission.

Astronomy

Dark matter candidate particles are a no-show in Hitomi data

Before the Hitomi satellite broke apart, it captured data that cast further doubt on evidence of X-rays from dark matter particles in a galaxy cluster.

Astronomy

This year’s Perseid meteor shower will be especially flashy

This year’s Perseid meteor shower could produce up to 200 meteors per hour as Earth plows through the debris trail of comet 109P/Swift-Tuttle.

Particle Physics

Cooling stars hint at dark matter particles

Stars that cool faster than expected can be explained by hypothetical particles called axions.