Giant ring of black holes

(PhysOrg.com) -- Just in time for Valentine

First ever STEREO images of the entire Sun

First ever STEREO images of the entire Sun

Mars orbiter spots shifty activity on the Red planet's surface

Ah, springtime: fresh flowers, fuzzy ducklings and, on Mars, the sublimation of dry ice from the surfaces of the planet

Bigelow to lease space habitats to clients in seven nations

Bigelow Aerospace has announced plans to lease space aboard its inflatable space habitats to seven clients in The Netherlands, Sweden, Japan, Singapore,

Human spaceflight from UAE possible by 2015

Space, the final frontier of yore, now appears nearer and beckons the UAE. In what could spell the dawn of affordable commercial space tourism

First Mission to Mercury

As the team of scientists behind NASA’s MESSENGER spacecraft eagerly awaits the craft’s entry into Mercury’s orbit on 17 March, we could soon get answers to questions about the origin, composition, interior structure and geological history of this mysterious planet.

Six small planets orbiting a sun-like star amaze astronomers

(PhysOrg.com) -- A remarkable planetary system discovered by NASA

Global eruption rocks the Sun: scientists re-evaluate ideas about solar storms

On August 1, 2010, an entire hemisphere of the sun erupted. Filaments of magnetism snapped and exploded, shock waves raced across the stellar surface, billion-ton clouds of hot gas billowed into space. Astronomers knew they had witnessed something big. It was so big, it may have shattered old ideas about solar activity.

For fully mature black holes, time stands still

The end state of a black hole may be a mind-bending kind of spacetime independent of time, scientists say.