• Star Trek Actor Joins METI Search for Alien Life

    This Star Trek actor is helping to "explore brave new worlds" with METI, and hopes to find real aliens. Yes, really.

  • Jupiter & Saturn’s ‘Great Conjunction’ Visible Worldwide Tonight: Here’s How to See It

  • NASA Detected Water on the Moon’s Sunny Side. Here’s Why That Matters.

  • Here’s What the Draconid Meteor Shower Is & How You Can See It

  • Perseid Meteor Shower 2020 Live Stream: Watch Perseids Online

  • SpaceX Crew Dragon Live Stream: Watch the Return to Earth Online

    Watch the historic SpaceX NASA Crew Dragon's return to Earth online with multiple live streams right here.

  • What Time Does the SpaceX Crew Dragon Return to Earth?

  • Why It Matters if NASA Finds Ancient Life on Mars

  • When Can You See NEOWISE? Here’s the Comet’s Map & Time

  • When Is the Next ‘Blood Moon’ Lunar Eclipse?

  • When Can You See the Lunar Eclipse? Here’s the Buck Moon’s Map & Time

    Here's everything you need to know about seeing tonight's penumbral lunar eclipse.

  • When Is the Next Solar Eclipse Visible in the U.S.?

  • Watch the ‘Ring of Fire’ Solar Eclipse Online: See Multiple Live Videos

  • Where Can You See the Solar Eclipse? Here’s the Map, Time & Path

  • SpaceX NASA Launch Live Stream: Watch Multiple Videos of the Launch Online

  • SpaceX NASA Launch Delayed Until Saturday: New Countdown Set

  • NASA Scientists Discover Possible Evidence of a Parallel Universe

  • How You Can See Comet SWAN Cruising Across Earth’s Sky

  • Asteroid to Pass Safely Near Earth in April 2020, NASA Says

  • NASA Astronaut Jonny Kim: 5 Fast Facts You Need to Know

    Jonny Kim is an emergency medicine doctor, a former Navy SEAL and Iraq War veteran and now an astronaut.

  • Japanese Billionaire Yusaku Maezawa: 5 Fast Facts You Need to Know

  • Watch: ‘Unicorn’ Meteor Storm Expected Tonight (LIVE VIDEO)

  • WATCH: Mercury Transits the Sun NASA Live Stream Video

  • Hunter’s Orange Moon: 5 Fast Facts You Need to Know

  • Perseid Meteor Shower 2019: How to Watch Online for Free [LIVE STREAM]

    Watch live stream video of the 2019 Perseid Meteor Shower right here for free, as it happens.

  • Next Solar Eclipse in the U.S.: See the Path of Totality & Map for 2024

  • Solar Eclipse Live Stream: Watch the South America Eclipse Online Here

  • SpaceX Falcon Heavy Launch Time & Live Stream: Watch Online Today, April 11

  • SpaceX Falcon Heavy Launch Time & Live Stream: Watch Online

  • Lunar Eclipse Photos: Pictures of Tonight’s Red Moon

    See photos and reactions about tonight's lunar eclipse, the Super Blood Wolf Moon that appeared red in the sky.