Lab Notes
Diving into Saturn
I finally arrive on the Caltech campus in Pasadena, California, around 3:30 a.m. on Friday, Sept. 15 to bear witness to the final gravitational dance...
The OSIRIS-REx mission: To Bennu and back
On Sept. 8, 2016, Dr. Vicky Hamilton watched as NASA’s OSIRIS-REx (Origins, Spectral Interpretation, Resource Identification Security, Regolith Explorer) lifted clear of Cape Canaveral’s...
Chasing alien megastructures
In 1960, physicist Freeman Dyson suggested that the energy demands of all technological civilizations would eventually exceed the natural resources of their home planet....
Comet ATLAS shrugs
In late December 2019, a telescope in Hawaii operated by the Asteroid Terrestrial-impact Last Alert System (ATLAS) discovered a comet on its way to...
Blasting the planet next door
In September 1859, the most powerful explosion in recorded history burst from the surface of the sun, releasing more energy than a billion of...
Naming the stars
The holiday season is a peak time for companies that sell the novelty gift of “naming a star,” with a framed certificate and a...












