New Delhi: Around 1530 hrs on Saturday a critical manoeuvre will be performed that will aim to inject India's lunar probe, Chandrayaan-1, into a circumpolar orbit around the moon. If successful, the ...

This illustration shows a binary star surrounded by a thick disc of material in a polar orbit. Credit: University of Warwick/Mark Garlick We live in an age of exoplanet discovery. One thing we've ...

Chennai: After a historic first on Saturday, when Chandrayaan-1 was unshackled from earth's gravity and inserted into a lunar one, Indian scientists on Sunday carried out the first of four scheduled ...

OPTICAL tracking of Earth satellites is the only means of determining their motion with such precision as to render measurements of air density significant. This, however, can only be done when the ...