Comet Siding Spring flies past Mars; Mangalyaan safe

ISRO had repositioned Mangalyaan to avoid any collision with the comet

Many mysteries of solar system may be solved as Rosetta probe lands on comet

Scientists have been trying to understand the role played by comets in our evolution

Are we about to see a rare green comet light up the sky? An expert on what to expect from Nishimura

Nishimura would swing closer to the Sun than the orbit of Mercury this month

Hubble space telescope celebrates 30th anniversary

The Hubble Space Telescope — responsible for significantly expanding mankind's understanding of the universe — celebrated its 30th …

Has comet ISON survived sun’s heat?

If the comet still exists, people on the Earth could witness a spectacular show in the night sky in December

Mercury’s dark surface a result of comet dust

A report says the planet’s surface was painted black by passing comets over billions of years

Comets may have brought key chemicals to Earth to kick-start life

Philae Lander sends rich data from Comet 67p before falling asleep

Mars orbiter begins final journey to Red Planet

Mangalyaan leaves Earth’s orbit; the spacecraft will now travel through the heliosphere—sphere of sun's influence—for next 10 months