Blue Origin is among six companies that will help NASA learn how orbital transfer vehicles can deliver spacecraft to ...

Agrawal felt a calling for higher service and signed up to join the Air Force. Given his background in music, he initially ...

A bizarre planet defies cosmic norms: scientists have confirmed a giant planet orbiting in reverse around one star in a close ...

Orbital imaging plays a pivotal role in the diagnosis and management of orbital and periorbital diseases. Over the past ...

An international team of astronomers has employed NASA's Chandra X-ray observatory to perform the most detailed study of a ...

What happens when a planet defies every expectation of how worlds are supposed to form and move? In the nu Octantis system, ...

Grady Zheng, 16, writes about a “grieving ritual” that “involved a chaotic, joyful and utterly ridiculous food fight in the middle school cafeteria.” By The Learning Network To participate ...

The Third Dimension of a More O’Ferrall–Jencks Diagram for Hydrogen Atom Transfer in the Isoelectronic Hydrogen Exchange Reactions of (PhX)2H• with X = O, NH, and CH2.

Figure 1. Effect of DMSO-free solvent and Br-substitution on Sn 2+ oxidation, structural, optical, and electronic properties: (a) High-resolution Sn 3 d spectra of DMSO-free tin perovskites with ...