What's a suborbital flight? An aerospace engineer explains

Both Virgin Galactic and Blue Origin are sending spacecrafts – and their billionaire founders – into suborbital flight. But what differentiates a suborbital flight from a trip around Earth?

John M. Horack, Neil Armstrong Chair and Professor of Mechanical and Aerospace Engineering, The Ohio State University • conversation
July 9, 2021 ~4 min

How asteroid dust helped us prove life's raw ingredients can evolve in outer space

A minuscule particle of asteroid dust has helped reveal how celestial rocks like Earth might have sprouted life.

Queenie Hoi Shan Chan, Lecturer in Earth Sciences, Royal Holloway • conversation
March 9, 2021 ~7 min

Mars: how scientists prevent Earth's microbes from contaminating other planets

The space laws designed to protect planets and moons from contamination.

Thomas Cheney, Lecturer of Space Governance, The Open University • conversation
Feb. 4, 2021 ~8 min

Japanese Asteroid Samples Make it Back to Earth

VOA Learning English • voa
Dec. 9, 2020 ~5 min

Simulations highlight “messy” Mars landings

Researchers aim to update Apollo-era information about rocket-powered landings on dusty celestial bodies like Mars with new supercomputer simulations.

Jim Lynch-Michigan • futurity
July 31, 2020 ~5 min

Machine learning makes building rocket engines easier

"Trial and error" doesn't work for testing whether rocket engines can handle flight. A new machine learning method could make things simpler and safer.

John Holden-UT Austin • futurity
April 21, 2020 ~6 min

New engine would use an explosion to blast spacecraft into orbit

Researchers have taken a first step toward the "rotating detonation engine," which could make rockets more fuel-efficient and lightweight.

Sarah McQuate-Washington • futurity
Feb. 19, 2020 ~6 min

We have a winner! Team picks Bennu sample collection spot

After several months evaluating data from four candidate sites on the asteroid Bennu, scientists have finally identified the best sample collection spot.

U. Arizona • futurity
Dec. 16, 2019 ~6 min

3 theories why asteroid Bennu is spewing bits

"Among Bennu's many surprises, the particle ejections sparked our curiosity, and we've spent the last several months investigating this mystery."

U. Arizona • futurity
Dec. 10, 2019 ~7 min

Beresheet spacecraft: 'Technical glitch' led to Moon crash

Preliminary data suggests a technical glitch caused the Beresheet spacecraft to shut down its main engine at the wrong time.

By Rebecca Morelle • bbcnews
April 12, 2019 ~2 min