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21 July 2015, 09:16am
Comet lander falls silent
Comet lander falls silent

The Philae comet lander has fallen silent, European scientists said, raising fears that it has moved again on its new home.

20 July 2015, 08:52am
Scientists puzzle over Pluto's polygons
Scientists puzzle over Pluto's polygons

New pictures relayed by the first spacecraft to visit Pluto show odd polygon-shaped features and smooth hills in an crater-free plain.

17 July 2015, 08:28am
Watch: Cannibal dwarf star eats mate
Watch: Cannibal dwarf star eats mate

A super-dense white dwarf star about 730 light years from Earth has been caught in the act of 'cannibalism'. [VIDEO]

16 July 2015, 6:00pm
Pupils’ passion rewarded with Nasa trip
Pupils’ passion rewarded with Nasa trip

Two Cape Town high school pupils are over the moon after being selected to attend the United Space School at Nasa.

16 July 2015, 09:12am
Spotted: Tiny Pluto’s big mountains
Spotted: Tiny Pluto’s big mountains

The first close-up views of Pluto show mountains made of ice and a surprisingly young, crater-free surface.

15 July 2015, 08:48am
‘Pluto just had its first visitor’
‘Pluto just had its first visitor’

About 13 hours after its closest approach to Pluto, the last major unexplored body in the solar system, New Horizons phoned home.

15 July 2015, 06:55am
Pics: Pluto’s heart of ice
Pics: Pluto’s heart of ice

Revealed for the first time in all its glory, the icy face of Pluto was photographed close up by New Horizons.

14 July 2015, 08:57am
Pluto bigger than predicted - Nasa
Pluto bigger than predicted - Nasa

Mysterious Pluto looms large and turns out to be larger than expected as Nasa's New Horizons spacecraft wraps up a nearly decade-long journey.

13 July 2015, 08:42am
Spotted face of Pluto comes into focus
Spotted face of Pluto comes into focus

The New Horizons spacecraft is closing fast on an unexpectedly spotted Pluto, the most distant planet ever explored.

10 July 2015, 08:47am
New astronauts for commercial flight
New astronauts for commercial flight

Three men and one woman were named by Nasa as the astronauts who will fly aboard spaceships built by private companies in the coming years.

9 July 2015, 08:06am
‘Plenty of time’ to test SpaceX rocket
‘Plenty of time’ to test SpaceX rocket

The Falcon 9 rocket accident should not eliminate SpaceX from the competition to launch a new GPS satellite, says the US Air Force.

8 July 2015, 07:55am
Cause of blast still eludes SpaceX
Cause of blast still eludes SpaceX

SpaceX is still homing in on why its Falcon 9 rocket exploded after liftoff last week.

7 July 2015, 08:02am
Pluto flyby on track despite glitch
Pluto flyby on track despite glitch

Nasa expects the New Horizons spacecraft to be back in service after a computer crash threatened its upcoming historic flyby of Pluto.

7 July 2015, 08:02am
Comet could harbour life, say experts
Comet could harbour life, say experts

Leading astronomers who have been studying the findings of the Rosetta spacecraft believe the comet could support micro-organisms.

6 July 2015, 10:56am
Probe suffers glitch on approach to Pluto
Probe suffers glitch on approach to Pluto

Nasa is working to revive the New Horizons spacecraft after it suffered a computer malfunction just nine days before it was due to fly past Pluto.