The National Aeronautics & Space Administration's Hubble Space Telescope has spotted a previously obscure dwarf galaxy, which has been named as Kks3. Located as many as 700 million light-years away, near the Hydrus constellation, Kks3 has a stellar mass equivalent to just 1/10,000 of our Milky Way.

The bombardment of a comet, which carried water with it for about 4 billion years ago, was considered the reason behind hydration of Earth until now.

The Curiosity rover of US space agency NASA has found new evidence that has suggested that Mars once had lakes, rivers and even oceans.

However, the Red planet we know today is a frozen wasteland that endures deadly bombardments of cosmic and solar radiation every single day. But the Mars of the past may have been dramatically different.

On Wednesday, at a hearing all the key House lawmakers stated that the last week's successful test flight of a deep-space capsule by NASA should boost the Obama administration to focus more on its limited resources and try and get humans to Mars at the earliest.

The US space agency NASA has released the first picture of Ceres, the largest celestial body in the asteroid belt between Mars and Jupiter. The first images of Ceres are of lower resolution and were taken by Dawn probe, which was launched in 2007, at a cost of $446 million.

Two private space firms received contract from NASA to get ready for and finally execute missions to land on and mine asteroids for valuable resources. The two private firms with which NASA has contracted are Deep Space Industries and Planetary Resources.

NASA scientists said on Friday that the comet that sailed by Mars last month produced thousands of shooting stars per hour and formed a new layer of ionized metals high in the planet's atmosphere.

When Comet C/2013 A1, aka Siding Spring, deposited big amounts of dust and ice on Mars, the atmosphere of Mars was changed.

A video was posted by NASA's Marshall Space Flight Center this week in which three astronauts are seen playing with floating blobs of water in the International Space Station (ISS). The video was shot from inside the watery blob last summer.