Astronomy
Surprise Gamma-Ray Burst Behaves Differently Than Expected
Roughly once a day the sky is lit up by a mysterious torrent of energy. These events — known as gamma-ray…
“Tea, Earl Grey, Hot”… How Scientists Replicated a Mars Meteorite
Captain Picard orders tea "Tea, Earl Grey, hot." Who doesn't remember that famous command by Captain Picard's of TV's "Star…
Unprecedented Images of the Intergalactic Medium
An international team of astronomers has taken unprecedented images of intergalactic space — the diffuse and often invisible gas that…
Comet Jacques Brightens: How to See it in May
A recently discovered comet is headed northward and is set to put on one of two fine performances for binocular observers…
Revisit Halley’s Comet – Stay Up Late for This Week’s Eta Aquarid Meteor Shower
UPDATE: Watch a live webcast of the meteor shower, below, from NASA's Marshall Space Flight Center during the night of…
“Fossil Galaxy” Discovered From the Early Universe
A small galaxy circling the Milky Way may be a fossil left over from the early Universe. The stars in…
Spectacular Aurora Sneaks in Quietly, Rages All Night
Expect the unexpected when it comes to northern lights. Last night beautifully illustrated nature's penchant for surprise. A change in…
Falcon 9 Reusable Takes its Second Flight Test
No cows were harmed in the making of this video! SpaceX has released a video of a second test light…
‘Runaway’ Star Cluster Breaks Free from Distant Galaxy
We've discovered dozens of so-called "hypervelocity stars" — single stars that break the stellar speed limit. But today astronomers multiplied…
Spin! Exoplanet’s Day Finishes Blazing Fast Compared To Earth
Between the time you got to work this morning and the time you leave today -- assuming an eight-hour work…