Sign Up for Our Amazing Newsletter!
A daily update by email. Science news, great photos, sky alerts.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Moon and Mercury low in west after sunset September 25 and 26
Try to catch the young moon, Mercury and star Spica in the sunset direction on September 25 and/or 26. Best seen from S. Hemisphere. N. Hemisphere viewers ... try it!
September 25, 2014
Water vapor in atmosphere of exoplanet four times Earth’s size
The exoplanet HAT P-11b - about Neptune's size - has an atmosphere that's cloudless at high altitudes. That's how astronomers could identify water vapor there.
September 24, 2014
Astronomers observe mysterious winds from a T Tauri star
T Tauri stars - infant solar systems - were thought to have powerful stellar winds. Astronomers have now observed T Tauri winds and might know what's causing them.
September 24, 2014
Sneak preview: Colorful lunar eclipse on October 7-8
Before sunrise on October 8, the bright full moon over North America will turn a lovely shade of red. It's a total lunar eclipse that's visible from all parts of the U.S.
September 23, 2014
Success! MAVEN spacecraft enters Mars orbit
NASA's MAVEN spacecraft - first spacecraft dedicated to exploring Mars' upper atmosphere - successfully entered orbit on September 21, 2014 at 10:24 p.m. EDT.
September 22, 2014
Supermassive black hole in a galaxy only 300 light-years wide
It's an unlikely object in an improbable place -- a monster black hole lurking inside one of the tiniest galaxies ever known.
September 19, 2014
Space-based particle detector hints at dark matter
A new and tantalizing hint of mysterious dark matter has been found by the Alpha Magnetic Spectrometer particle detector aboard the International Space Station.
September 19, 2014
Dawn spacecraft to Ceres recovers after malfunctions
A collision with a high-energy radiation particle may have corrupted software running in Dawn's main computer, and sent the spacecraft into safe mode.
September 18, 2014
Racing toward Pluto, spacecraft spies tiny moon Hydra
The New Horizons spacecraft - due to encounter Pluto in July 2015 - has spotted Pluto's small, faint, outermost known moon, called Hydra.
September 17, 2014
Merging galaxies can produce disk galaxies
Astronomers thought mergers formed giant elliptical galaxies. Now, for at least 24 observed galaxies, mergers have formed flattened, circular disks of dust and gas.
September 17, 2014
