NASA's Parker Solar Probe launched at 3:31 a.m. ET on Sunday. Watch live here.
By Nsikan Akpan
With the Parker Solar Probe, NASA must strike the perfect balance between flying close enough to collect data but not so close that it burns up. Here’s what the mission will take.
By Anna Kusmer
NASA announced Wednesday that the James Webb Space Telescope will now fly no earlier than 2021.
By Marcia Dunn, Associated Press
What would a space force look like? Why now? Will NASA play a role? Three experts, including a retired Air Force Lieutenant General, explain the rationale behind President Trump's announcement.
By Nsikan Akpan
By Michael Rios, Erica R. Hendry
Monsoon rains threaten Rohingya refugees, excessive video-game playing could be a mental health disorder and other stories we're reading now.
By Amel Ahmed, KQED
Flight controllers tried late Tuesday night to contact Opportunity, but the rover did not respond. The storm has been growing since the end of May and now covers one-quarter of the planet.
By Amanda Grennell
Over the last 25 years, melting Antarctic ice has added nearly 3 trillion tons of water to the ocean, enough to fill Lake Erie six times over.
By Rashmi Shivni
NASA New Horizons mission leader Alan Stern and astrobiologist David Grinspoon divulge the most intimate accounts of the decades of planning needed for the Pluto probe in the new book “Chasing New Horizons.”…
InSight could become the first probe to dig deep into Mars' interior to explore how the Red Planet’s geology evolved over billions of years, including the planet’s so-called “marsquakes.”…
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