The Transiting Exoplanet Survey Satellite (TESS) launched successfully on April 18th at 6:51 p.m. EDT aboard a SpaceX Falcon 9 rocket to survey the entire sky for new worlds.
Astronomers have found the gamma-ray-emitting remains of three exploded stars, and the remnants might reveal the origin of cosmic rays.
The annual Lyrid meteor shower will shoot off silent fireworks on Earth Day this Sunday. We explore the shower's origin and how best to view and photograph it.
To mark International Dark Sky Week (April 15–21, 2018), here are some of the nation's finest stargazing spots, where artificial light is all but absent. There’s a simple rule for anyone searching for a dark sky; go somewhere others are not. The spread of LED lighting in North America over the past decade or so…
Looking for something to do on Saturday? Make plans to celebrate Astronomy Day on April 21st!
You may have seen recent news about NGC 1052–DF2, a galaxy that was discovered to have little or no dark matter. Now, a new study explores what NGC 1052–DF2 does have: an enigmatic population of unusually large and luminous globular clusters.
Here's an opportunity for amateur astronomers to reveal more about asteroid Amalthea's satellite.
The European Space Agency's ARIEL mission will seek to analyze the atmospheric composition and true nature of distant worlds.
Astronomy news this week: Hubble images the most distant star, radio telescopes combine forces to probe black hole jet, and neutron star hotspots explained.
The sky's been bursting with exploding stars this season. Plus there's a new storm on Saturn. What's a skywatcher to do? Haul out the scope!
The discovery of a runaway star in the Small Magellanic Cloud suggests that runaway stars are a common phenomenon in the universe.
Astronomers have discovered 72 fast and furious explosions, possibly supernovae blasts cloaked in cocoons of ejected gas.
A new study has uncovered a dozen stellar-mass black holes within 3 light-years of the supermassive black hole at our galaxy’s core — and these might be just the tip of the iceberg.
China's first space station reentered Earth's atmosphere over the South Pacific after almost seven years in space.
Astronomers Without Borders celebrates the night sky in its annual Global Astronomy Month — a month-long collection of online events and in-person gatherings. This year's theme: the Moon.
This month's astronomy podcast guides you around the nighttime sky during April, giving you easy-to-follow help for finding bright planets and key stars after the Sun goes down.
Astronomers have found a peculiar object: a fluffy galaxy that has little to no dark matter.
NASA officials announced Wednesday that the James Webb Space Telescope launch would be delayed until approximately May 2020. But before the mission can launch, its managers may have to face Congress.
A new analysis of more than 800 telescopic observations suggests that our first known interstellar visitor could have the shape of a cigar or a fat disk.
Trappist-1's water-rich planets, a new measure of the solar system's planet-forming history, and an explanation for luminous, short-lived exploding stars.
Astronomers have discovered a newborn neutron star in a rare pairing with an old red giant companion.
China's premier space station, Tiangong 1, has a one-way ticket into the Earth's atmosphere later this month. See it before it's no more.
New ALMA observations reveal a fiber-like structures within a longer, well-studied filament. These fibers contain the seeds of future stars.
A controversial 1950 book by Immanuel Velikovsky declared that our neighbor world was spawned by Jupiter 3,500 years ago and nearly struck Earth — twice.
A physicist has incorporated a quantum mechanical idea with general relativity to arrive at a new alternative to black hole singularities.