NASA

Over the past three decades, Arctic Sea ice has dramatically declined

Two NASA astronauts completed a six-hour spacewalk outside the International Space Station to install a parking spot

The spacewalk is set to start with veteran NASA astronaut Williams emerging from the space station airlock

NASA has announced the discovery of new planets in the past, but most of those worlds were either too hot or too cold

It works by observing a dimming in the light of a star, each time an orbiting planet passes in front of it

It aims to peer beneath the clouds around Jupiter for the first time to learn more about the planet's atmosphere

The mission cost $1.1 billion dollars and launched five years

The unmanned spacecraft Juno is expected to arrive on Monday in the vicinity of the largest planet in the solar system

Jupiter is marked by cold, windy clouds of ammonia

The three-man crew departed the station after spending half a year in Earth's orbit

The gaseous planet is the size of Jupiter and has a wide orbit, revolving around its two stars in 1,107 days

Around 200,000 hopefuls from 140 countries initially signed up for the Mars One project

Here's a list of possible sightings in Karachi, Lahore and Islamabad for the next few weeks

The approval, still months away, would pave the way for several other for-profit space ventures

Scientists believe Kepler 62f is a strong candidate for a habitable planet

NASA on Saturday successfully expanded and pressurized an add-on room at the International Space Station

Bigelow Expandable Activity Module (BEAM) is part of an experiment to test expandable habitats

This announcement more than doubles the number of confirmed planets from Kepler, NASA says

NASA is inviting media and viewers around the world to watch the relatively rare celestial event

Lake Maracaibo replaces Africa’s Congo Basin as the location of most lightning activity

More than 22,500 pounds of 'drinkable' water recycled from urine alone

NASA’s comments come after Bill Nye posted a story about himself challenging a prominent climate change denier

Six-degree tilt, which happened several billion years ago, was likely caused by an ancient volcanic formation

According to NASA, it orbited the earth four times in its approximately six-hour journey

The goal is to measure the size of the flames, how quickly they spread, the heat output, and how much gas is emitted

It will carry an atmospheric probe around Mars and as well as a lander for a rover due to follow in 2018

Kelly, a former Navy pilot who joined NASA in 1996, will leave the agency April 1

The mission will carry atmospheric probe and a lander to test technologies needed for a rover due to follow in 2018

InSight's primary goal is to study how the solar system's rocky planets, including Earth, formed and evolved

Spending 340 days in space caused Kelly's spine to expand temporarily, making him grow 1.5 inches

Astronomers discover galaxy formed 400m years after Big Bang explosion

Cultivation could pave way to building dome for farming on planet

Hundreds of new galaxies were discovered, using same telescope that was used to broadcast TV pictures from Apollo 11

The detailed pictures show a system of "pull-apart" tectonic faults on the moon's equator

Do Peru's potatoes have the right stuff?

First flower even grown in space makes debut, US astronaut Scott Kelly wrote on Twitter, with a photo of the flower

'The country will be watching you make history,' Prime Minister David Cameron wrote on Twitter

NASA estimates it will need about four cargo runs per year

ISS official says outage is similar to power failure in Oct 2014 involving sequential shunt unit at orbiting outpost

NASA releases video along with a statement after it received numerous reports of the object over the state of Georgia

The project also aims to highlight the role of potatoes in improving global food security

Mobile transporter rail car carries the robotic arm from one location to another on the outside of the orbiting lab

Lindgren, Kononenko and Yui have been in orbit for nearly five months

The Falcon rocket will carry 11 satellites for the US company Orbcomm into low-Earth orbit

President Obama signed legislation that allows extraction of minerals and other materials, from asteroids and the moon

The launch is Orbital's fourth scheduled mission to deliver necessities to the astronauts living in space

NASA says scientists expect more images from the set over the coming days

This time, Orbital is using a United Launch Alliance Atlas V rocket to send the cargo to space

'It's very expensive to send a letter to Mars. You would need so many stamps!' Oliver writes thanking mail service

Spacewalk is the 190th in support of International Space Station, marking 15 continuous years of human habitation