SpaceX's Dragon spacecraft lifted off into clear blue skies today (Dec. 5), but its first stage spiraled down in a failed landing.
There will be 36,000 worms heading to space Dec. 4 — and, if all goes well, 2 million to 3 million will come back down.
During its full first day on Mars, NASA's solar-powered InSight lander generated more electrical power in one day than any previous Mars vehicle has, mission team members said.
NASA's InSight Mars lander arrives at the Red Planet today, and NASA will offer live 360-degree views inside its mission control center when it happens.
NASA’s InSight lander is set to touch down on Mars this Monday (Nov. 26). Why do we keep sending robots to the Red Planet?
Monday evening (Nov. 19), National Geographic will air a 1-hour special about Parker Solar Probe, the record-breaking mission currently slinging around the sun.
After spending nearly a year on the International Space Station during a record-breaking mission, retired astronaut Scott Kelly knows a thing or two about orbiting the Earth.
Retired NASA astronaut Scott Kelly has released a photobook, "Infinite Wonder," chronicling his 340 days on the International Space Station. Here are some selections from Kelly's time there.
The "Ghost of Cassiopeia," a slowly eroding cloud of gas and dust, forms a glimmering haze in this eerie image from the Hubble Space Telescope.
In his new book "Astounding," coming out today (Oct. 23), Alec Nevala-Lee follows four titans of the golden age of science fiction who guided the genre during its formative years.
Alec Nevala-Lee's latest book "Astounding," out Oct. 23, chronicles the interwoven lives of four science fiction titans: Isaac Asimov, Robert Heinlein, L. Ron Hubbard and John Campbell.
In his final book, released Oct. 16, Stephen Hawking tackles big questions about the universe, delving into physics, cosmology, the existence of God and the future direction of humanity.
During a live taping of the podcast StarTalk at New York Comic-Con yesterday (Oct. 5), Neil deGrasse Tyson read an emotional letter to NASA on their shared 60th birthday.
The Saturn V rocket and its predecessors soar toward open space in the first of three new posters by Space.com celebrating landmark anniversaries in space history.
Hurry before they're gone! Theaters across the country are offering free screenings of "First Man" on Oct. 1.
A NASA long-duration balloon mission observed glowing blue clouds that ripple at the edge of Earth's atmosphere.