Megan McArthur portrait in NASA blues

One astronaut’s amazing Earth Day — getting ready to pilot a flight to the International Space Station

Alumna Megan McArthur to return to space as pilot of NASA’s SpaceX Crew-2 mission, set to launch Friday, April 23.

Rendering of the NASA Perseverance rover on Mars

Q&A: David Paige on the Feb. 18 Mars Perseverance landing

The UCLA planetary scientist is deputy principal investigator for one of the NASA rover’s experiments.

Bruce Willis and cast of Armageddon walking in spacesuits

What Hollywood gets wrong (and right!) about protecting the Earth from asteroids

Meet Kirsten Howley, the real-life Lawrence Livermore National Laboratory astrophysicist working to prevent “Armageddon,” as UC celebrates the International Day of Women and Girls in Science (Feb. 11).

Arianna Long portrait

Arianna’s long path to the stars

An astrophysicist faces the universe’s darkness with help from those around her and from the stars above her.

Astronauts and a facility on Mars illustration

Making methane on Mars

How physicists are making a return trip from the Red Planet a possibility.

Charlie Townes with Reinhard Genzel

UC Berkeley played big role in Nobel Prize-winning work

Reinhard Genzel realized his mentor Charles Townes’ dream of exploring the center of the Milky Way on his way to his own Nobel Prize.

Andrea Ghez

UCLA and UC Berkeley faculty share the 2020 Nobel Prize in physics

Andrea Ghez and Reinhard Genzel will share half the 2020 Nobel in physics for the discovery of a supermassive compact object at the center of our galaxy.

Imagery of Trappist 1

Surprising number of exoplanets could host life

A star like our sun could potentially support six planets with liquid water, a new study finds.

Mars rover on Mars visualization

UC Merced grad student, alumnus play significant role in Mars 2020 mission

As the rover soars toward Mars, a UC Merced lab will be partially responsible for its success.

Jessica Meir floating in space taking questions

Astronaut alum Jessica Meir answers questions from the International Space Station

UC San Diego alumna discusses her journey from ‘STEM to Stars’ during live Q&A from International Space Station.