NASA's James Webb Space Telescope Now Fully Assembled for 2021 Launch

View od the fully assembled James Webb Space Telescope. The sunshield and unitized pallet structures (UPSs) that fold up around the telescope for launch, are partially deployed to enable telescope installation. Photo Credit: NASA/Chris Gunn

NASA’s James Webb Space Telescope (JWST) just took another big step towards completion, as the two halves it was […]

8 New Repeating Fast Radio Bursts Detected from Beyond Our Galaxy

The CHIME radio telescope in south-western British Columbia, Canada. CHIME has detected eight new repeating Fast Radio Bursts. Photo Credit: CHIME

Fast Radio Bursts (FRBs) are one of the most mysterious phenomena in astronomy. They are extremely brief radio signals coming from deep space, beyond our galaxy, and so far, scientists still don’t know […]

Shrinking Triton: Remembering Voyager 2's Encounter With Neptune, 30 Years On (Part 4)

Neptune, as seen by Voyager 2 in 1989. No other missions have yet returned to this enigmatic world. Photo Credit: NASA/JPL

READ Part 1, Part 2 and Part 3 of AmericaSpace’s Neptune 30th anniversary commemorative feature.

Thirty years ago today, NASA’s Voyager 2 spacecraft swept silently over the royal-blue clouds of Neptune at […]

NASA's TESS Mission Wraps Up First Year of Exoplanet Hunting

TESS has already discovered nearly 1,000 exoplanet candidates and 24 confirmed exoplanets so far, in its first year. Image Credit: Goddard Space Flight Center

NASA’s TESS mission (Transiting Exoplanet Survey Satellite) has now completed the first year of its search for exoplanets and has already racked up some great discoveries, it was announced on […]

International Team of Astronomers Unveils Historic First Photo of a Black Hole

This is it! The first-ever image taken of a black hole shows light being around the black hole itself by its intense gravity. Photo Credit: Event Horizon Telescope Collaboration

Today was a historic day in astronomy, as scientists unveiled the first-ever images of a black hole. Such an achievement has been dreamt of for […]

Wham! Meteorite Impacts the Moon During Lunar Eclipse

Photo showing the impact of a meteorite on the Moon as seen during the lunar eclipse on Jan. 20, 2019. Photo Credit: Jose M. Madiedo

The lunar eclipse last Sunday – the so-called “super wolf blood moon” – was spectacular, with thousands of great images being taken by skywatchers. But some keen-eyed observers also […]

Kepler Enters Hibernation Mode, Downlinks Latest Science Data Before Fuel Runs Out

Artist’s conception of the Kepler Space Telescope in space. Fuel is now running very low and the spacecraft has downlinked its latest science data to Earth. Image Credit: NASA/AP

The end is nigh – that appears to be the case at least for NASA’s Kepler Space Telescope which is now running very low […]

PHOTOS: SpaceX Launches TESS on Hunt for Earths Around Other Stars

Liftoff of NASA’s planet-hunting TESS spacecraft on a SpaceX Falcon 9 rocket April 18, 2018. Photo Credit: John Studwell / AmericaSpace

A spacecraft on a quest to discover Earth-like and potentially habitable worlds in other solar systems around other stars took to space on April 18, 2018, riding atop a shiny new SpaceX […]

Cosmic Dance: Astronomers Discover Two Supermassive Black Holes Orbiting Each Other

Artist’s conception of the two supermassive black holes in orbit around each other. Image Credit: Joshua Valenzuela/UNM

Black holes are some of the most bizarre and mysterious phenomena in the Universe – they have captivated the imaginations of scientists and the public alike, and have been featured in many science fiction movies and […]

James Webb Space Telescope Arrives at Johnson Space Center for Cryogenic Testing

The giant 18-piece mirror of the James Webb Space Telescope, inside the cleanroom at Johnson Space Center. Photo Credit: NASA/Chris Gunn

Often referred to as the successor for Hubble, the James Webb Space Telescope (JWST) is one of the most highly anticipated space telescopes ever built. A large infrared telescope with a 6.5-meter […]