A hot, dry start to summer has spurred a record number of wildfires in southern Alaska, and weather satellites are tracking the development of the blazes from space.
One of the farthest active comets ever spotted will make its closest approach to Earth on July 14, and here's how you can catch the action live.
Asteroid research and planetary defense is of great interest to scientists around the world, which is why June 30 marks international Asteroid Day.
A massive galaxy cluster shines in a new telescope image, distorting the view of more distant galaxies lying in the background.
Martian rock samples collected by NASA's Curiosity Mars rover show signs of key ingredients of life as we know it on Earth.
The European Space Agency will release new data from its Milky Way-mapping Gaia mission on June 13. Here’s how you can get the latest updates from the telescope live.
The rare alignment of five naked-eye planets will begin to "break up" as they appear to grow increasingly distant from one another in the morning sky.
NASA's DAVINCI mission to Venus will carry a dime-sized, student-built sensor to study the planet's near-surface environment.
NASA's James Webb Space Telescope is gearing up to start operations this summer, and one of its many assignments will be to search for primeval black holes in the early universe.
A group of 13 telescopes allowed researchers to observe the process behind a unique type of aurora, known as auroral beads, for the first time.
Researchers using an innovative astrodynamics algorithm have uncovered over 100 asteroids that had gone undetected in archived images of the sky.
A peculiar pair of galaxies swirls together in a mesmerizing new photo from the Hubble Space Telescope.
The Hubble Space Telescope captured a stunning new view of two galaxies intertwined in a turbulent gravitational dance.
High school students in Portugal have programmed a small computer on the International Space Station to measure Earth's magnetic field from orbit
The Hubble Space Telescope captured a stunning new view of a gigantic galaxy that is more than twice the size of the Milky Way.
Astronauts aboard the International Space Station provided an up-close view of Boeing’s Starliner capsule in a recent video tour from orbit.
The eclipsed moon glows an eerie deep red color in a new photo of the total lunar eclipse that occurred earlier in May.
For the first time, researchers have mapped elusive gas clouds that are believed to hold clues about galactic evolution and star formation in the early days of the universe.
The iconic Hubble Space Telescope has captured a glimmering new photo of a densely packed region of stars located in the constellation Sagittarius.
NASA astronaut Jessica Watkins is seen floating above Earth in a new photo from the International Space Station.
Microorganisms living on a large slab of ancient seafloor in the Persian Gulf may reveal clues about life on other planets.
NASA's Hubble Space Telescope has spotted the surviving stellar companion of a star that exploded in a bright, fiery death.
Researchers have detected eight new "echoing" black hole systems in the Milky Way, and they sound like passing through an eerie wind tunnel.