Strange distant star is dimming, and scientists don't know why
May 22, 2017, 11:01 a.m. by Bryan Nelson
Natural explanations include an orbiting planet or comet, but the dimming is too irregular, leaving some to suggest alien activity.
Buzz Aldrin urges NASA to ditch the ISS and focus on Mars
May 12, 2017, 4:06 p.m. by Michael d'Estries
Former astronaut says the $3.5 billion spent annually on the space station should go towards efforts to colonize the red planet.
See the Crab Nebula from 5 different observatories
May 12, 2017, 8:21 a.m. by Noel Kirkpatrick
This well-known nebula has been cracked open to see all its glory.
Gravitational waves could be the key to unlocking other dimensions
May 9, 2017, 11:30 p.m. by Bryan Nelson
Waves of gravity should be able to 'walk along' other dimensions.
8 stunning discoveries about Saturn from the Cassini mission
May 3, 2017, 12:02 p.m. by Michael d'Estries
The spacecraft will send itself on a collision course with the planet in 2017.
Hubble captures gorgeous star hogging the limelight
May 2, 2017, 12:14 p.m. by Michael d'Estries
Beautiful photo illustrates the complexity of analyzing objects millions of light-years away.
NASA is growing Martian gardens to prepare for life on Mars
April 27, 2017, 10:25 a.m. by Michael d'Estries
The space agency is trying to understand what vegetables may thrive on the red planet, and how to help them do so.