Elizabeth Howell

SpaceX's Starship system is the most powerful rocket yet. Here are some of the key moments in its history as the rocket and spacecraft get ready for the first orbital test.

Here's the historical significance of the black-and-white photo that Elon Musk tweeted showing SpaceX's next Starship prototype.

The mysterious strange dimming seen last year in the huge star Betelgeuse may be from giant sunspots and temperature fluctuations.

From his perch on the International Space Station, a French astronaut watched a long-running Russian space module break into pieces in a shower of fireworks.

Blue Origin founder Jeff Bezos and three crewmates received 14 hours of training over the last two days for their launch into space on July 20.

New camera views from the cockpit and carrier launch plane follow Richard Branson on his debut flight on a Virgin Galactic spaceship.

Virgin Galactic will broadcast the flight of its founder, Richard Branson, as he soars into space on Sunday (July 11).

A giant comet found far out in the solar system may be 1,000 times more massive than a typical comet, making it potentially the largest ever found in modern times.

Indestructible tardigrades will be subject to a series of experiments at the International Space Station to reveal how they survive in extreme environments.

The iconic Lego Star Wars: The Rise of Skywalker Resistance A Wing Starfighter is 37% off for Prime Day.

Russia's space chief is threatening to leave the International Space Station program in 2025 unless the United States lifts sanctions against the Russian space sector.

A piece of space junk smacked into the robotic arm on the International Space Station, but near-term operations should not be affected.

A NASA-funded study is giving scientists insight into how "night-shining clouds" form in the upper atmosphere — and the role that growing space traffic plays in the phenomenon.

The Defense Advanced Research Projects Agency (DARPA) has picked three big space companies for the first phase of a larger project to test nuclear propulsion above low Earth orbit by 2025.

For a few brief minutes, a suborbital rocket from NASA has an ambitious plan to seek out particles from interstellar space.

Humanity's first helicopter on Mars has been cleared for a historic takeoff.

Perseverance's laser hasn't yet penetrated the mystery of a strange Martian rock near the rover's new digs.

The notorious Apophis space rock just shed its hazardous status — for the next 100 years at least — after fresh observations of the near-Earth asteroid.

Data from one of Cassini's last flybys of Titan probed the depths of Kraken Mare to better understand the moon's alien chemistry.

An epic nighttime skydive saw Red Bull Air Force's Amy Chmelecki and teammates don pyrotechnics to highlight – literally – the importance of astronomy and dark skies in a rural region of Texas.

Gut-wrenching pictures and video documented the beginning of the end for the Arecibo Observatory, one of the world's most iconic telescopes.

A group of sunspots has emerged on the Earth-facing side of the sun, just in time for Thanksgiving.

Stratolaunch has started construction on a prototype of a Mach 6 vehicle designed to launch from the world's biggest airplane.