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This colossal body emits more X-rays than any other known cluster and is the most massive in the universe.
This meteorite challenges our widely held view of the material present when the solar system was born.
Researchers recently proved that spacecraft can use narrow beams of radiation from pulsars to run a very accurate, GPS-like navigational system.
The Hubble and Spitzer space telescopes combined forces to photograph a small, distant galaxy amplified by gravitational lensing.
A series of four rockets will be launched from the northern research range to evaluate the sources of space X-rays and assess our upper atmosphere’s reaction to added water vapor.
The SpaceX Dragon spacecraft is the only vessel capable of both supplying the International Space Station with cargo and bringing the materials back to Earth.
A spectacular fireball seen by hundreds of people from Iowa to Ontario delivered precious samples from the asteroid belt to the lake country of southern Michigan Tuesday night.
Supermassive black holes are difficult to observe and measure, yet they have profound effects on their host galaxies. Read up on the latest black hole discoveries presented at the Washington D.C. meeting of the American Astronomical Society.
Results from the first data release of the Dark Energy Survey include eleven new stellar streams in the Milky Way galaxy.
The post Dark Energy Survey Releases First Three Years of Data appeared first on Sky & Telescope.
Mira, one of the easiest-to-observe pulsating variable stars, reaches peak brightness this month. Don't be shy, come look her in the eye.
New observations of galaxies in a universe just 800 million years old show that they’ve already settled into rotating disks. They must have evolved quickly to display such surprising maturity.
Astrobiology students cultivated leafy greens, sweet potatoes, and even hops in simulated Martian dirt.
Astronomers presenting at the winter American Astronomical Society meeting caution that the features often pointed to as evidence of growing natal planets could form on their own.
An unassuming amateur astronomer forever linked to one of the greatest comets in modern history has passed away.
A repeating fast radio burst first detected in 2012 likely formed within a potent magnetic field — opening up the ambiguity of what caused the mysterious burst.
The post Mysterious Cosmic Bursts Traced to Extreme Environment appeared first on Sky & Telescope.
Iron-rich stars host planets on closer orbits than their iron-poor siblings, astronomers find. The results could help reveal how planets form.