NASA

Astronomers have sighted a comet that could be the second interstellar object ever detected.

Water is crucial to life as we know it, so it’s one of the key things astronomers look out for on exoplanets. And now, water vapor has been detected in the atmosphere of a potentially habitable exoplanet for the first time.

A new study suggests that some of the smaller methane lakes on Titan may have been formed by explosions of warming nitrogen.

In NGC 6946, better known as the Fireworks galaxy, an extremely bright flare of X-rays was seen to appear and disappear within a matter of weeks.

NASA has released images and footage of Hurricane Dorian, as it continues its menacing advance across the Atlantic Ocean.

NASA recently tested a microphone that's 30 miles long to measure the acoustic signature of the quiet supersonic X-59 X-plane.

Engineers have attached what could be the first ever helicopter to fly on another world, to NASA’s Mars 2020 rover.

The final pieces have fallen into place for NASA’s next generation orbiting observatory, the James Webb Space Telescope.

A rare authentic full-scale working test model of the first artificial Earth satellite, Sputnik-1, is up for auction.

NASA has confirmed that a miniaturized, ultra-precise mercury-ion atomic clock currently in low-Earth orbit has been switched on.

Scientists from NASA, ESA, and Roscosmos went to Outback in Australia to learn more about how to find signs of fossil life on Mars.

NASA's Spitzer Space Telescope has provided new insights into a rocky exoplanet that may be very similar to the planet Mercury or Earth's Moon.